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Dalian Zhongya Tengxin Chemicals Co., Ltd. is located in Shahekou District ,Dalian , which is a leading manufacturer in chemical industry .we mainly engaged in producing and exporting chemical products, such as carbon black, lithopone, zinc oxide, copper oxide, titanium dioxide and so on. We had strong technical force, production experience, advanced equipment, as well as a complete inspection measurement system to make various chemical products. Our company has passed ISO9001 international quality system certification and ISO14001 international environmental management system certification. We had our own factory which covers an area of 60000 square meters.