Master Color Control, S.A. de C.V.

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Zhangjiajie Jiurui Biotechnology Co., Ltd. is the largest domestic leading enterprise in the deep processing of gallnut series products, restructured from Zhangjiajie Tongyuan Chemical Co., Ltd. Its registered capital is 55 million RMB.
We are a chemical, analytical contract laboratory
Innovative special services for various industries & materials
Our company, ERICHSEN GmbH & Co. KG was founded in 1910. We research, develop, design and manufacture testing equipment and machines for the following fields of application: Sheet Metal Testing, Surface Testing, Corrosion Testing, Materials Testing.