CERTIFICATION

• 2023 Core Competence Brands for Green Real Estate and Energy-Efficient Buildings: Water Supply and Drainage Category read more
• The registered trademark "LEDE" was recognized as a Renowned Brand in Shandong Province's Hardware Industry for the year 2020. read more
• Shandong Province SME Innovation and R&D Center read more
• Shandong Provincial Engineering Technology Research Center for Grooved Pipe Fittings read more
• Weifang Fluid Self-Sealing Engineering Technology Research Center read more
• Weifang City Fluid Self-Sealing Engineering Laboratory read more