Rner.ob

[Kash Jackson]

On March 25, 2009, the Company and China RainEarth Technology Co. Ltd., a company organized and existing under the laws of the People's Republic of China ("China RainEarth"), entered into a Business Cooperation Agreement (the "Agreement") for a term of twenty years. The purpose of the Agreement is to jointly conduct Hollow Fiber Membrane Materials' application and manufacturing business in China.

According to the Agreement, the Company will provide Advice and assistance relating to development of marketing and provision of consultancy services, particularly as related to the Business to China RainEarth. China RainEarth will retain the services and give 60% of its revenue after deduction of direct operating costs, expenses and taxes to the Company in consideration of the Company's services.

The Company has changed name to RainEarth Inc. to better reflect its current business.

The following questions and answers address briefly some questions you may have regarding these changes.

Q: What does China RainEarth do for business? When did they establish? What are their services/products?

A: China RainEarth was established in October, 2005 in Beijing, China. China RainEarth is a hi-tech enterprise which is dedicated to the research & development and application of fiber membrane technologies. Developed independently by China RainEarth, the techniques for manufacturing hollow fiber membranes and fiber drawing equipment broke through foreign (mainly German) technical monopoly, and gained supports from the Beijing Innovation Fund for Small and Medium Enterprises in 2007, along with the Beijing Municipal Science & Technology Commission and the Innovation Fund for the 1st Batch of Small and Medium Technical Enterprises in 2008, the fund was released from the Ministry of Science and Technology in China.

Q: What is hollow fiber membrane technology? What is the application of such technology?

A: Together with nanotechnology, superconductivity and among others, separation membrane technology is regarded as one of the top six industrial high technologies in the 21st century. Over 70% of the chemical industry is related to the separation membrane technology, which is also fundamental to biological technologies.

Hollow fiber membranes, as a core component of special filtration absorbers, are widely used in blood purification, ascites reinfusion and water treatment, etc.

Q: What is China RainEarth's product? What is the market for this product?

A: China RainEarth initially chose the benchmark product blood dialyzer, which can best certify their product research & development and manufacturing advantages, as the market entry point, and then further entered ascites concentrator and water purification markets.

Blood dialysis is an effective measure for patients with acute and chronic renal failure (uremia) to sustain their lives. In 2007, 7-8 million pieces of blood dialyzers were consumed in China. With the rapid social and economic development as well as improvement of healthcare services, 15 million pieces of blood dialyzers will be consumed in China by 2012 and the market size will hit around US$200 million. 70 million pieces of dialyzers are consumed each year in developing countries including Turkey, India, South Africa and Pakistan.

Q: What is China RainEarth's advantage? What are China RainEarth's qualifications?

A: With 8 years of research and development by the founders of China RainEarth, they have become the only company in China that has mastered chemical formula and technique of hollow fiber separation membranes as well as the design and development capabilities for production equipment of hollow fiber separation membranes. Currently their hollow fiber separation membrane has passed China Compulsory Certification and tests by the State Food and Drug Administration in China.

Since China RainEarth has proprietary fiber membrane manufacturing techniques (only German Company: Fresenius can independently manufacture fiber membrane production equipment) and the capabilities to design and develop assembly and production lines, no need to import expensive equipment, therefore, the products will have strong cost advantage. Also, dialyzers manufactured by China RainEarth have undergone clinical experiments and CCC certification, and obtained registration certificates. China RainEarth has also completed all tests and clinical experiments necessary for CE certification, and is qualified to export its products.

Q: What is China RainEarth's current production capacity?

A: Currently China RainEarth can produce about 150,000 pieces of blood dialyzers annually from their own facility. China RainEarth may lease other facilities to expand the production capacity.

Q: What is China RainEarth's development objective? Long term and Short term?

A: Long-term Development Objective: China RainEarth will follow the success model of Fresenius in Germany, to become a one stop shop producer and service provider which include the entire industrial chain, and will enter the extensive market of various filtering absorbers through manufacturing hollow fibrous membrane products based on patented hollow fibrous membrane technology and the design and manufacturing technology of the membrane equipment.

Short-term Development Objective: It will begin with the manufacturing technology of blood dialyzer and ascites concentrator, which is to the best of China RainEarth's power and there are sufficient profit margin and market capacity for these two products.

[Kash Jackson]

Q: What is China RainEarth's management team?

A: Following are the brief introductions about China RainEarth's management team:

General Manager: Mr. Liu Wei He has more than 15 years of work experience in medicine and blood purification and several years of work experience in market development and Mainland business affairs management when working in "Song Ho" Company, the largest blood purification group company in Japan and has participated in the establishment of the first Sino-foreign cooperative hemodialysis center in China.

Technical Principal: Mr. Jiang Naiqing: He has worked in the units of Dandong Chemical Fiber Plant, Ministry of China Textile Industry, Beijing Chemical Fiber Plant, Beijing Institute of Fashion Technology, etc. and specialized in the research and development of chemical fibers. Since the year of 2000, he has committed himself to the research of hollow fiber technology and has served as a General Engineer in Doreson Medical in Shanghai, and designed and manufactured on his own a polysulphone membrane hollow fiber spinning production line and a matching dialyzer assembly line, which have come up to the level for industrialized production, with them, real finished products----dialyzers have been produced.

Lead Engineer: Mr. Yu Xuesong: He has more than 20 years of work experience in mechanically and automatically controlled systems and has worked as a Senior Engineer in the General Engineering Design & Research Institute of the People's Liberation Army General Armament Department to deal with mechanical-electrical integration and the development and application of mechanically and automatically controlled systems particularly. He has led the design and development of the first "comprehensive blood purification therapeutic machine" in China which is mainly used for treating lupus erythematosus, immunological diseases like rheumatoid disease and part of infectious diseases.

Lead Engineer: Mr. Zhou Yue: He has more than 20 years of work experience in automatically-controlled system and high-voltage pulse field and more than 15 years of experience in researching and developing extracorporeal lithotripters, has led the design and development of "shock-wave pain therapeutic-apparatus" and has the patent for manufacturing special electrodes applied to the shock-wave pain therapeutic-apparatus.

Medical Adviser: Professor Wang Zhigang: He is the Director of the Blood Purification Center of former Friendship Hospital and an authoritative blood purification expert in China.

Technical Advisor: Professor Sun Benhui: He is a senior professor and a doctoral tutor of Beijing University of Chemical Technology and an authoritative expert in the field of membranes for separation in China.

Management Representative: Mr. Jiang Hua: He is proficient on fibrous membrane production and has extensive contact with the upstream and downstream enterprises of blood purification industry.

Q: What is RainEarth Inc's total outstanding shares and total float?

A: As of May 25, 2009, there are 52 million total issued and outstanding shares, among it, 10 million is in the float.

This letter is for information purposes only. For more detailed information, please read the Company's filings with SEC and other press releases.


Very truly yours,

RainEarth Inc.


By: /s/ Zhu, YongFu
Zhu, YongFu
President

[Kash Jackson]

RainEarth Inc.'s Disposable Blood Dialysis Machine Included in the List of Beijing Independent & Innovative Products

BEIJING, June 2 /PRNewswire-Asia/ -- RainEarth Inc. (OTC Bulletin Board: RNER; "the Company"), which recently changed its name from Gold Rock Resources Inc., has announced that its contractual partner in China, Beijing RainEarth Technology Co. Ltd., ("China RainEarth") has had its disposable blood dialysis included in the third, and most recent, installment of Beijing Independent & Innovative Products.

In May 2009, Beijing Municipal Science and Technology Commission (BMSTC) recognized a need to encourage innovation and development for local companies in Beijing Zhongguancun, considered the Beijing Silicon Valley of research and development. BMSTC, together with Municipal Development and Reform Commission, Municipal Housing, Urban and Rural Development Committee, Municipal Economic and Information Technology Commission and Zhongguancun Administration Committee, had announced a list of products each with its own advanced technology intellectual property. It is a great honor that China RainEarth's disposable blood dialysis has been included along with the products of some other well-known companies such as Lenovo, Beijing Stone, Founder Technology Group and Beijing SL Pharmaceutical.
See the details of the List and the Circular at http://www.bjkw.gov.cn/n1143/n1240/n1405/n1901/7569666.html
The program started in 2007, with this list being the third installment. The program is aimed at encouraging public investment in products demonstrating technical advances and having their own intellectual rights in Beijing, especially companies in the Beijing Silicon Valley. The list of recognized products covers IT, biomedical, new materials, energy saving, environment protection, cultural creativeness, etc, all of which are highly innovative and technically advanced. Recognized products will be placed as high priorities on the government's purchasing plan. Products included in the previous two installments have been purchased by the government for a total amount of roughly USD$ 320 million.
"We are very pleased that China RainEarth's disposable blood dialysis has been included on this list," said Mr. Zhu, CEO of the Company. "This will lead to increased business for the company, particularly with government departments and state owned hospitals."
About the Company:
RainEarth Inc. (formerly Gold Rock Resources Inc., the "Company") was incorporated in the State of Nevada on March 14, 2006. The Company is a developing stage company that initially engages in the search for mineral deposits or reserves.
On March 25, 2009, the Company and Beijing RainEarth Technology Co. Ltd., a company organized and existing under the laws of the People's Republic of China, entered into a Business Cooperation Agreement (the "Agreement") for a term of twenty years. The purpose of the Agreement is to jointly conduct Hollow Fiber Mambrane Materials' application and manufacturing business in China (the "Business").
The Company will provide Advice and assistance relating to development of marketing and consultancy services, particularly as related to the Business. Beijing RainEarth Technology Co. Ltd. will give 60% of its revenue after deduction of direct operating costs, expenses and taxes to the Company in consideration of the Company's services.

[Kash Jackson]

Very nice news imo.

RainEarth Signs Purchase Agreement with XiangFan Municipal No.1 People's Hospital
BEIJING, June 4 /PRNewswire-Asia/ -- RainEarth Inc. (OTC Bulletin Board: RNER; "the Company"), announced today that its contractual partner in China, Beijing RainEarth Technology Co. Ltd., ("China RainEarth"), and XiangFan Municipal No.1 People's Hospital, entered into a Purchase Agreement (the "Agreement") for an amount of RMB1,800,000 (approximately $263,500) for its blood dialyzers.
China RainEarth has been contracted to manufacture and deliver 30,000 dialyzers for medical use at XiangFan Municipal No.1 People's Hospital. These high quality blood dialyzers will be delivered in early July, 2009. Each dialyzer costs approximately RMB60.00 (approximately $8.75), equaling the total contract value of RMB1,800,000 (approximately $263,500).
XiangFan Municipal No.1 People's Hospital was founded in 1949. It has approximately 1050 beds and is one of China's 700 Rank A Level 3 national hospitals. "We are very pleased that XiangFan Municipal No.1 People's First Hospital recognizes the high quality of blood dialyzers manufactured by China RainEarth. We recognize there is a very large market for our blood dialyzers, therefore our goal is to reach the other Rank A Level 3 national hospitals in China. Reaching these other hospitals would amount to approximately $103,000,000RMB (approximately $15,000,000USD) in revenue," stated Zhu, YongFu, CEO of the Company.
About the Company
RainEarth Inc. (formerly Gold Rock Resources Inc., the "Company") was incorporated in the State of Nevada on March 14, 2006. The Company is a developing stage company that initially engages in the search for mineral deposits or reserves.
On March 25, 2009, the Company and Beijing RainEarth Technology Co. Ltd., a company organized and existing under the laws of the People's Republic of China, entered into a Business Cooperation Agreement (the "Agreement") for a term of twenty years. The purpose of the Agreement is to jointly conduct Hollow Fiber Mambrane Materials' application and manufacturing business in China (the "Business"). The first product that utilizes this technology is blood dialyzer.
The Company will provide Advice and assistance relating to development of marketing and consultancy services, particularly as related to the Business. Beijing RainEarth Technology Co. Ltd. will give 60% of its revenue after deduction of direct operating costs, expenses and taxes to the Company in consideration of the Company's services.

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[Kash Jackson]

Press Release Source: RainEarth Inc.
RainEarth Applies for Patent for Second Generation Blood Dialysis Equipment
On Tuesday June 9, 2009, 8:30 am EDT

BEIJING, June 9 /PRNewswire-Asia/ -- RainEarth Inc. (OTC Bulletin Board: RNER; "the Company"), announced today that its contractual partner in China, Beijing RainEarth Technology Co. Ltd., ("China RainEarth"), has submitted a patent application for its second generation of blood dialysis.

This second generation blood dialysis has several new features and advantages. These include: a lower broken membrane rate, a higher gap rate, enhanced biological compatibility for the hollow fiber membrane, and an increased dialysis rate.

China RainEarth has applied for patents in a variety of areas with the State Intellectual Property Office of P.R.C (SIPO) including:


-- Scale manufacture method for hollow fiber membranes
-- Quick drying equipment for hollow fiber membranes
-- Device for adjusting dry spinning range in hollow fiber membrane that
includes dry-wet spinning and control condensation bath process
concentration control
-- Synthetic hollow fiber membrane continuous spinning device
-- Hollow fiber membrane porous spinneret component
-- Hollow fiber tube-in-orifice spinneret

In May 2009, the China State Council passed new regulations not only to speed up the development of the biological industry in China but also to enhance bio-tech patent protection. Products with intellectual rights, once reviewed and approved, will be included in the national Medical Plan catalog.

"We continuously improve our products and protect our intellectual property by applying for patents. These advantages give China RainEarth a strong position in hollow fiber membrane manufacturing and related fields, solidifies our leadership position and ensures that we stay ahead of our competition", said Mr. Zhu, CEO of the Company.

About the Company

RainEarth Inc. (formerly Gold Rock Resources Inc., the "Company") was incorporated in the State of Nevada on March 14, 2006. The Company is a developing stage company that initially engages in the search for mineral deposits or reserves.

On March 25, 2009, the Company and China RainEarth, a company organized and existing under the laws of the People's Republic of China, entered into a Business Cooperation Agreement (the "Agreement") for a term of twenty years. The purpose of the Agreement is to jointly conduct Hollow Fiber Mambrane Materials' application and manufacturing business in China (the "Business"). The first product that utilizes this technology is blood dialyzer.

The Company will provide Advice and assistance relating to development of marketing and consultancy services, particularly as related to the Business. China RainEarth will give 60% of its revenue after deduction of direct operating costs, expenses and taxes to the Company in consideration of the Company's services.

Forward-looking statements

This press release contains "forward-looking" statements within the meaning of Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended. All statements other than statements of historical facts included in this press release are forward-looking statements. Forward-looking statements involve risks and uncertainties including, but not limited to, economic and political factors; developments of the Chinese and North American markets and changes in regulatory matters; our business strategies and future plans of operations; the market acceptance and amount of sales of our products and services; our historical losses; the competitive environment within the industries in which we compete; and our ability to raise additional capital, currently needed for expansion. The Company cautions that forward-looking statements are subject to certain risks and uncertainties that could cause actual results to differ materially from those indicated in the forward-looking statements due to several important factors.


For more information, please contact:

RainEarth Inc.
Public Relationship Department
Tel: +852-3005-7220