ESG aims to "align with inner conscience, build reliable products, and grow as a trustworthy enterprise". We will inherit and expand spirit of the craftsman, uphold the standard for excellence, and become a paragon for "Made in China".
青岛精锐机械制造有限公司是集阀门研发、生产、销售于一体的上市公司。公司引进欧洲尖端的阀门技术，致力于打造高端中小型不锈钢气动控制阀门。
ESG integrates valve research and development, production, and sales. The company is committed to building high-end small and medium-sized stainless steel pneumatic control valves.
Nominal Pressure: PN63
Medium Temperature: -10 °C - +120 °C (PTFE common type)
Body and Bonnet: CF8/CF8M
Sphere material: CF8 (304), CF8M (316)
Seal ring and Packing: PTFE
Connection form: internal thread (BSP, BSPT, NPT);
External thread (BSPT)
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