The company is a high-tech manufacturer specializing on the valves and fluid control equipment. The company has multiple CNC machining center, CNC lathe, milling machine, and a variety of execution device testing equipment. The company has been committed to its Research and Development, Sales anf Technical support. SEN mainly speciailized on producing ball valves and control valves, and they are widely used inpower plant, chemical industry, water treatment, petrol-chemical and nature gas industry, construction, etc.