Henan Medscience Pharmaceuticals Co., Ltd: As one of the leading human apis, veterinary apis, human protein and peptides, human prostaglandins manufacturers and suppliers in China, we warmly welcome
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Ningbo Zhouchi Vehicle Industry Co., Ltd: Die casting manufacturer of aluminum and ZAMAK from NINGBO CHINA, with 11sets casting machines from 88T-1250T and 30sets CNC processing centers, serve for
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The SANJING FIRE Alarm Check Valve is an important part of the automatic sprinkler system. When a fire occurs, the closed fire sprinkler head is automatically opened after being heated, the water pressure in the system side will reduce, then the alarm check valve opens automatically