OPEC'S July Fair is a wonderful show. Please see it.

As the leading enterprise in pulley field and hardware fittings product industry, OPK has always been clear that innovation is the cornerstone and fundamental driving force of enterprise development. Based on a deep understanding of the nature of the industry and careful analysis of future demand, the company has established OPK department and pulley Research Institute with professional R&D team as the core, which mainly develops, produces and sells all-family damping pulleys of OPK brand. At present, the core products are furniture damper pulley series, inner door damper pulley series and heavy door damper pulley series, with specialized and diversified damper series products. OPK has launched a number of intelligent, automated, inductive, electric series of household pulleys, the product set beautification, protection, stability, science and technology in one, to achieve sustainable development of product innovation, do everything possible to provide customers with competitive professional products and unique solutions.