Quality

Wuxi Yiteng Pressure Vessel Co., Ltd. has established a comprehensive management system covering quality control, occupational health and safety, and environmental protection. These internationally recognized systems, together with pressure equipment manufacturing qualifications such as A2 Pressure Vessel Manufacturing License and ASME U Stamp certification

Through standardized procedures and continuous improvement mechanisms, Yiteng ensures that every stage of equipment manufacturing — from engineering design, material procurement, fabrication, welding, inspection, and final delivery — meets strict quality requirements.

Yiteng has implemented an ISO 9001:2015 certified quality management system covering the complete lifecycle of pressure equipment manufacturing, including design control, production planning, supplier management, process inspection, final inspection, and customer service.

The quality system adopts a risk-based management approach to ensure effective control of key manufacturing processes.

Key quality control activities include:

• Contract and technical requirement review
• Engineering document control
• Raw material verification
• Welding process management
• Manufacturing process inspection
• Final product inspection
• Continuous improvement procedures

The ISO 9001 quality system is fully integrated with pressure vessel manufacturing requirements, ASME standards, and internal quality procedures, ensuring consistent product quality and reliable project execution.

Pressure equipment manufacturing involves various high-risk operations, including heavy lifting, welding, non-destructive testing, and pressure testing.

Yiteng follows ISO 45001 occupational health and safety management principles to identify workplace risks and implement effective safety control measures.

Safety management practices include:

• Welding operation safety control
• Lifting operation management
• Confined space work procedures
• Welding fume control
• Radiation protection during inspection
• Pressure testing area safety management

Through systematic HSE management, Yiteng provides a safer working environment and supports the requirements of international customers and supply chain audits.

Yiteng has established an ISO 14001 environmental management system to control environmental impacts throughout the manufacturing process.

Environmental management covers key production activities including:

• Steel cutting and preparation
• Surface treatment
• Sand blasting
• Pickling and passivation
• Painting processes

The company implements effective control measures for:

• Industrial waste management
• Hazardous waste storage and disposal
• Waste oil and chemical handling
• VOC emission control
• Environmental compliance monitoring

The ISO 14001 system enables Yiteng to meet international environmental requirements and support customers with sustainable manufacturing solutions.