Shandong Zhihua Pipe Industry Co. Ltd, established in 2007, is specialized in Ductile Iron Grooved Pipe Fittings and Couplings. It’s located in Weifang City. Zhihua has passed ISO9001 quality system and its grooved products have obtained FM, UL & CE approval and available for customer’s OEM / ODM. Nowadays, the company owns two factories with 600 skillful workers and two brands: WFHSH ®™ &FANGAN ®™, covering an area of 100000 square meter.
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