Chengde wanji instrument manufacturing co., LTD., located in the world famous chengde summer resort, China's famous historic city and famous tourist attraction. This is the production base of the national non-metal testing machine. My co***ny is a professional manufacturer of non-metallic materials testing equipment, the co***ny absorb the essence of chengde testing machine technology, updated technology products, improve the production process has a strong product development, production, sales and s...
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