Product Description PP and Nylon Standard Pin Lug Couplings   HYROTECH Strength   1.Competitive Prices   2.Only produce high quality products   3.Raw Material quality strictly checked before production   4.Various tests before shipping to make sure stable quality   5.Very fast delivery time Product Introduction Quick connect camlock couplings fittings are the economical, convenient … Continue reading China high quality PP and Nylon Standard Pin Lug Couplings