?Dongying City ChunShan Industry and Trade Co., Ltd located is the beautiful and rich yellow river delta-Dongying. The company is a diversified modern management enterprise integrating production and foreign trade . It was set up in 2007,for years it has been devoted to the research and application of gas, and become the leader in gas sector.There are 8 professional technicians and 50 staff in our company. We are engaged In over a dozen kinds of gas(such as oxygen, nitrogen, argon, carbon monoxide, carbon dioxide, helium, methane, acetylene etc).With a perfect delivery service team, we can provide our customers with high-quality professional delivery service. We are also engaged in various industrial fields( such as lighting, electronics, iron and steel, chemical, industry, medical service, food ,metallurgy and other research industries.) Meanwhile,

?There is another dominant business which is environmentally-friendly High-technology industry including ion exchange resin R & D, production and sales. The research team consists of high-quality researchers. The low speed wire cutting ion exchange resin is a ready-to –use one comprised of gel-type strongly acidic cation exchange resin and strongly basic anion exchange resin .It is made of special resin used for high transition and accomplished by mixing and compounding according to specific chemical equivalent. It is very easy to make the pure water with the exchange of anion and cation resin. It is really effective to use? LS-WEDM discharge cooling liquid preparation. Advanced equipment, perfect qualified monitoring method and monitoring equipment lay solid foundation for rapid development of the enterprise.