Beijing Langen Int'l Trade Co., Ltd.

We have established a strict Quality-controlling system based on ISO 9001:9002 and 14001: 2000 Certification to ensure the Passing Ration up 99percent.Meanwhile,we insist principle of making benefits for customers always providing excellent quality . Having "Better Quality ...
Telephone:86-10-61507745 Address:Room 3091, No. 9, Tuqiao West Zone, Zhangjiawan
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