1 We have more then 10 years Research and development production experience.2 Our product is strictly compliance with ISO9001:2000Quality Management Systems.3 two patents for the Elbows.Patent No.: ZL200920259732.7)&(Patent No: 201010205674.7) ...
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Address:Room 2103, Unit A, Building No.1, Derui Garden, 143 Minzu Road , Nanning city, Guangxi Pronvice , China