Quality Certified & Patent-Protected.
CE and ISO 9001 certified.
All HAOYU products are manufactured in strict compliance with ISO 9001 quality management standards, ensuring consistent, high-quality performance every time. CE certification ensures broad industry compliance.
Our company is in Weihai, Shandong, a coastal and livable city with an exquisite environment.Founded in 2008, it is a professional company integrating R&D,production and sales for all types of pipe connection and repair products
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Add: No.16 Factory Building, China Energy Conservation Industrial Park, Fenghuangshan Road, Yangting Town, Huanjui District, Weihai, China
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