Qingdao Chinese science Machinery Co., Ltd. is a professional manufacturer of high-performance, high-quality reducer. The company is located in Qingdao, a beautiful and rich coastal city, with beautiful environment and convenient transportation. The company has advanced design system and experience.

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Dongguan Hong Jin into testing instrument Co., Ltd. Was established in June 2007. Is a professional production and development of simulation of environmental testing equipment, mechanical test equipment, bags test equipment, paper packaging test equipment, electrical and electronic test equipment,

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