Ball valve type test certificate-Junchuang Valve Technology (Yancheng) Co., Ltd. is an integrated enterprise for production, the company specializes in the production of various types of high school and low pressure manual, pneumatic, electric valves, fittings and temperature sensors, etc. The company has a complete and scientific ISO9001 quality management system, and its products are widely used in the petroleum, chemical, metallurgy, electric power, hydropower, environmental protection and food industries, and its products have been widely trusted by the majority of users, and it has set up a good reputation in the industry. The products are trusted by the majority of users and have established a good reputation in the industry.