Welcome to the Zhejiang Heng Science Technology Co., Ltd. is specialized in producing valve stainless steel valve series, set precision casting, production, sales, strictly in accordance with TS certification system, ISO9001 quality system standards organization, production, management, and has since the right of import and export of modern business enterprise. 
 After 10 years of continuous innovation and development, now has a number of high quality, practical experience in professional and technical personnel and production team, with a range of modern production equipment and testing facilities. Products are widely used in petroleum, chemical, metallurgical, military, textile, power, water, food and other industries, the majority of users.