Ningbo JiaNai Pinch Valve Co., Ltd is a professional manufacturer of pneumatic pinch valve, which is equipped with advanced imported equipment such as machining center and CNC lathe. The inner bushing of the rubber hose, a core component of the pinch valve, which is developed and produced independently by our company.We have an independent hose production workshop and have hired professionals dedicated to the research and development of the hose polymer. Besides, we have also established a hose laboratory to repeat test its service life, elasticity, abrasion performance, ageing resistance. Through three years of hard work and efforts of our employees, our pinch valve has fully reached the import quality, with a service life of more than 600,000 times and a normal service life of more than 2 years.The valves can be widely used in all kinds of industry (such as train, environmental protection, cement, animal husbandry, filling industry, etc.) and have been exported to all over the world