1. Hangzhou Dongbei Mechanical And Electrical Equipment Co., Ltd.
Hangzhou Dongbei Mechanical And Electrical Equipment Co., Ltd. has the website db-cylinder.com. It focuses on R&D, production and sales of seamless gas cylinder inspection equipment. Its main products include seamless steel cylinder hydraulic test machines, vacuum drying devices, X-ray flaw detectors and electrostatic painting lines . All equipment complies with national standards like GB 5842-2022 and GB/T 9251-2023. It can accurately detect defects such as cracks and wall thickness reduction in seamless cylinders. The company has strong technical force and advanced production equipment. It offers on-site installation and after-sales training. Its products are sold to over 20 countries globally.

2. Jinan Saist
It is a professional supplier of seamless gas cylinder inspection equipment. Its key products are full-automatic inspection lines, burst test benches and pulse test systems . The equipment is developed based on domestic and international cylinder use requirements. It integrates cleaning, testing and drying functions. All products follow standards like GB 5842. It has 7 years of industry experience. It provides customized solutions for gas cylinder test stations. It is trusted by many domestic gas companies.
3. Jinan Haidenuo
It specializes in non-destructive testing equipment for seamless cylinders. Its main products are computer-controlled hydraulic testing machines, vacuum drying boxes and leak detection devices . The hydraulic testers use the external pressure method for accurate results. They can test CNG and industrial gas seamless cylinders. All equipment passes quality inspections before delivery. It offers technical support for equipment operation. It serves clients in the gas and fire-fighting industries.
4. Jiangsu Huadong
It produces a range of seamless gas cylinder inspection equipment. Its main products are gas cylinder valve testing tools, vacuum pumping devices and steel bottle accessories . The equipment is widely used for seamless cylinders of natural gas and oxygen. It is made of high-quality materials for long service life. It has a stable supply capacity. It cooperates with domestic manufacturers. It delivers standard orders within 30 days.
5. Zhejiang Cylinder Tech
It is a reliable supplier of seamless gas cylinder inspection equipment. Its core products are seamless cylinder cleaning machines, thickness gauges and coating equipment . The equipment is designed for large-scale cylinder testing needs. It ensures high efficiency and testing accuracy. It follows international quality standards. The company has professional R&D and service teams. It provides one-stop solutions from design to after-sales. Its products are exported to global markets.
