Factory 1: The company is a professional manufacturer of calcium carbonate products. The company mainly produces light-weight and nano-calcium carbonate series products, which are widely used in plastics, rubber, coatings, paints, sealants, paper making and other related industries. The company's calcium carbonate series products have won the title of high-tech products for many times. The company has passed ISO9001 quality management system certification, ISO14001 environmental management system certification; and obtained AAA credit rating certificate and China's well-known calcium carbonate product quality top ten brands. The company's production and technical level enjoy a high reputation in the domestic calcium carbonate industry. The company has the Nanometer Activated Calcium Carbonate Engineering Technology Research Center. It has a complete range of testing instruments, a professional R&D team, and obtained multiple invention and utility model patents. The company has two calcium carbonate production bases in China, which can provide customers with stable product supply and good after-sales service.

Factory 2: The company is a chemical manufacturer and supplier integrating R&D, production and sales. We develop and produce a series of high-quality products for the domestic market and the international market. Our main products are nitric acid, ammonium nitrate, fertilizer, methanol, sulfuric acid, liquid ammonia, carbon dioxide. After years of development, the company has developed from a small plant with an annual output of 30,000 tons of synthetic ammonia to a big group company with the production scale of the current annual output of 160,000 tons of ammonia alcohol, 500,000 tons of nitric acid, 300,000 tons of sulfuric acid, 400,000 tons of nitro fertilizer, 200,000 tons of ammonium nitrate and 40,000 tons of potassium nitrate. The granulation technology of our spray vulcanization bed is the first in China. The 100,000-ton double-pressurized nitric acid production line is the first domestically-produced steam-balanced nitric acid production line and its technological level is in a leading position in China.

Vonke Co., Limited, established in 1999, is the leading manufacturer and supplier of chemicals in China. With rich mineral resources in, we are a group company, under which we have two factories, one produces industrial chemicals like calcium carbonate,titanium dioxide, iron oxide,etc. and the other produces agricultural chemicals like liquid ammonia,ammonia nitrate, fertilizers, etc. for more than 20 years, we can offer best quality, prompt delivery, competitive price and professional service....

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