Fittings series. We offer over 10,000 varieties of products, including high-pressure, high-performance pneumatic and hydraulic quick couplings, medium-pressure, high-performance pneumatic and hydraulic quick couplings, low-pressure hydraulic quick couplings, flat hydraulic quick couplings, open and closed-type pneumatic and hydraulic quick couplings, and instrument quick couplings. Our products provide higher performance compared to similar products in the market.