Simple modeling and operation. The rotation of the handle and connecting parts, looks like a delicate clock. It has the leading technology in the industry and the unique patent technology of large water outlet and explosion-proof. The original sealing technology enables the joint of the angle valve to rotate at 360 degrees, which is convenient for the installation of products and the rational distribution of water.The design of the replaceable joint structure, the changeable angle valve can extend four different products: the angle valve, the quick opening faucet, the lengthened down faucet and the washing machine faucet. The ontology is unchanged, which reduces the development cost and the cycle of the product, and makes the economic benefit more significant.