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 liquefied gas cylinder inspection equipment. Its main products include LPG cylinder cleaning machines, hydraulic pressure test devices, X-ray flaw detectors and automatic painting lines. All equipment meets national standards like GB 5842-2022 and GB/T 9251-2023. It can detect cylinder defects such as cracks, corrosion and wall thickness reduction accurately. The company has a professional R&D team with over 15 years of experience. It also provides on-site installation and after-sales training services. Its products are sold to over 20 countries including Indonesia, Malaysia and Nigeria.
2. Jiangsu Yuandong
It is a leading manufacturer of liquefied gas cylinder inspection equipment. Its key products are fully automatic LPG cylinder inspection lines, ultrasonic thickness gauges and leak test systems. The inspection lines can handle 50-80 cylinders per hour. They integrate cleaning, testing, drying and marking functions. It has ISO 9001 quality certification. Its equipment is widely used in large gas companies in China. It offers 1-year free maintenance and lifelong technical support.
3. Shandong Tianhai
It specializes in high-pressure cylinder inspection equipment, including LPG and CNG cylinder test devices. Its main products are hydraulic burst test machines, magnetic particle flaw detectors and cylinder valve testing tools. The equipment uses advanced sensor technology. It ensures test data accuracy and stability. It has cooperation with Sinopec and PetroChina. It delivers equipment within 30 days for standard orders. It also accepts customizations based on client's production site size.
4. Hunan Qiyang Huatai
It focuses on cost-effective liquefied gas cylinder inspection equipment. Its main products are semi-automatic cleaning machines, manual pressure test pumps and spray painting equipment. The equipment is easy to operate. It is suitable for small and medium-sized gas cylinder maintenance factories. All products pass national quality inspections. It offers low prices and flexible payment terms. It has a sales network covering 28 provinces in China.
5. Shandong Huanri
It is a well-known supplier of LPG cylinder inspection equipment in northern China. Its core products are X-ray inspection systems, cylinder weighing scales and corrosion detection tools. The X-ray systems can clearly show internal defects of cylinders. They meet GB/T 37248-2018 standards. It has a production base of 10,000 square meters. It can produce 500 sets of equipment per year. It provides on-site debugging services for all clients.
6. Jiangsu Yuhua
It produces a full range of liquefied gas cylinder inspection equipment. Its main products are automatic degreasing machines, pressure relief valve testers and cylinder code marking machines. The equipment is made of high-quality stainless steel. It is corrosion-resistant and has a long service life. It has stable cooperation with gas cylinder manufacturers. It updates equipment functions every year based on market demands.
7. Hangzhou Tianlong
It focuses on small and medium-sized LPG cylinder inspection equipment. Its main products are portable ultrasonic flaw detectors, manual cleaning tanks and small-scale painting machines. The portable detectors are lightweight (less than 3kg). They are easy to carry for on-site inspection. Its equipment is affordable. It is popular among small gas stations and maintenance workshops. It provides online technical consultation 24 hours a day.
8. Shenzhen Lanyang
It combines inspection equipment with intelligent management systems. Its main products are LPG cylinder traceability platforms, automatic inspection lines and data analysis software. The traceability platform can record each cylinder's inspection history and usage status. It helps gas companies manage cylinder inventory efficiently. It has obtained over 100 patents for intelligent technology. Its products are used in 500+ gas enterprises nationwide.
9. Zhejiang Sinuo
It specializes in environmental-friendly liquefied gas cylinder inspection equipment. Its main products are water-saving cleaning machines, waste gas treatment devices and low-VOC painting lines. The water-saving machines reduce water consumption by 40% compared to traditional models. The waste gas treatment devices meet national environmental standards. It is favored by clients who focus on green production. It provides environmental protection certification for all related equipment.
10. Nanjing Kejie
It is a professional manufacturer of non-destructive testing equipment for cylinders. Its main products are ultrasonic flaw detectors, eddy current testing machines and penetration test kits. These devices are used to detect surface and internal defects of LPG cylinders. They have high detection sensitivity and low false alarm rate. It has a team of 20+ professional engineers. It offers customized testing solutions for special cylinder types. Its products are exported to Europe and Southeast Asia.
