Beijing Sihai Xiangyun Plastic Parts Co., Ltd was established in 2008. The company mainly engaged in miniature fluid connector components, products including small plastic check valves, plastic fittings, plastic quick coupling, etc. With the continuous improvement of customer demand, we also gradually increase the level of technology and service capabilities. At the same time, we have introduced international high-tech products to meet customer's high-quality requirements as well. The company ha