Shanghai ZhongXuan Science Development Co.,LTD  was found in 1993 Tai Zhong of Tai Wan,  Zhong Xuan Science Development Co., LTD takes its name from the Zhong Xuan Science international Development CO., LTD, up to the present for 11 years history already, mainly on sale the lithium products in mainland markets, and actively establish  to the international trading markets.
At present, Shanghai ZhongXuan Science Development Co.,LTD has established the 32 business partner relationship with 32 overseas trading corporation, the customers widely on the different area of the world.

The TECSULTANT INC was found in 2004, was head office to the Mainland, TianWan and oversea?s filiale, still sale mainly on the lithium products, at same time, we have Develops the new product, referring to the medicinal materials ( such as the Aweto, Root of kudzu vine ) and artifactitious foods( such as blueberry) and so on.