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The theoretical axis of the rolling bearing rotates, that is, the center line of the inner ring for

Spindle bearing oil is a precision machine tool spindle bearing special lubricating oil and similar

About us Since its inception, the company has been committed to the exploration and research of waterproof materials; now it is a formal joint venture engaged in the development of waterproof technology, production and undertaking of building waterproof construction projects. All the products have obtained the permit issued by the Municipal Construction Commission and theproduction license issued by the relevant departments.
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Contact email4006-010-810
Contact phone :bjhldfs@163.com
Contact addressDongzhuang Town, Pinggu District, Beijing