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Constant quality

Adhering to the Hengli Group's philosophy of quality and safety, environmental protection and the compatibility of our actions with the region in which we operate, Hengli Pneumatics confirms its commitment by obtaining local authority and international certifications.

Certification and accreditation
? Passed the ISO 9001 quality management system certification in 1995
? Obtained CE product certification in 2017
? Third level enterprise of safety production standardization in 2018
? In 2019, the environmental assessment was accepted by Changzhou Ecological Environment Bureau
? From 1 July 2003, all products sold in EU countries and intended for use in potentially explosive areas must comply with the requirements of Directive 94/9/ CE (also known as ATEX). The directive also covers non-electrical components that must comply with the requirements of the directive, such as pneumatic control components. From 19 April 2016, the Atex Directive was updated to version 2014/34/EU. In response to relevant explosion-proof requirements, our solenoid valve and cylinder products have obtained EU EX certification in 2019
? In 2021, the solenoid valve series products will obtain the national mandatory product CCC certification
? In 2021, the low pressure fuel cut-off valve and pressure regulator of Hengvertical pneumatic have passed IATF 16949 standard certification
? In 2024, Hengli pneumatic low-pressure fuel cut-off valve and regulator review passed IATF16949 standard certification

Technical standard
? ISO 4414 - Pneumatic fluid power - General rules and safety requirements for systems and their components
? ISO 15552-2018 Pneumatic transmission. 1000kPa(10 bar) series cylinders with removable mounts, diameter 32mm to 320mm. Base size, mounting size and accessory size
? JB_T7352-2010 Solenoid valves for industrial process control systems
? ISO 10099-2001 Acceptance test for pneumatic transmission cylinders
? JIS B8377-1-2002 Acceptance test for gas-liquid cylinders of gas-hydraulic power systems and equipment - Part 1: delivery test for air cylinders
? GB/T 23252-2009 cylinder product inspection and acceptance
? JB/T 5923-2013 cylinder technical conditions