Quality Control

Beijing Lieying Hoisting Machinery Equipment Co., Ltd. has been a trusted manufacturer of hoists, hand pallet trucks, and lifting chains for over 30 years. With a commitment to excellence, we have earned a range of industry certifications, including ISO9001 and CE, to assure our customers of the highest standards of quality.

Rigorous Quality Control Process

At Beijing Lieying, we place a strong emphasis on maintaining the highest quality throughout every stage of our production process. Our quality control procedures focus on several key areas to ensure the final product meets or exceeds industry standards.

1. Selection of Raw Materials

We source only the finest raw materials for our products, such as high-quality alloy steel with precisely balanced component ratios. This ensures that our products offer exceptional performance, durability, and reliability.

2. Production Process Monitoring

Our advanced production facility features over 56 dedicated production lines, each designed for specific functions such as cutting, welding, testing, and finishing. These lines include:

• Cutting technology

• Welding machinery

• Correction detection

• Tensile strength testing

• Blackening and polishing processes

• Laser labelingEach step in our production is closely monitored to guarantee the highest quality standards.

3. Testing and Verification

To maintain the integrity of our products, we perform rigorous tests throughout the manufacturing process, including:

• Electric hoist tension testing

• Chain tension testing

• Motor and stator-rotor testing

• Hand pallet truck stamping and welding inspectionsWe carry out both destructive and non-destructive testing methods to ensure our products are durable and perform as expected under all conditions.

4. Managing Non-Conforming Products

Any products that do not meet our strict quality criteria are immediately identified and segregated for further analysis. Non-conforming items undergo the following process:

• Identification and control of the supplier providing defective products to prevent further issues.

• Verification after correction to ensure compliance with required standards.

• Detailed record-keeping of non-conformities and corrective actions taken to prevent recurrence.

5. Packing, Loading, and Delivery

We work closely with our customers to confirm that the packaging, loading, transportation, and delivery methods are in line with their expectations. We make sure that all these processes are reviewed and approved by the customer before shipment.

6. Quality Inspection Documentation

We maintain comprehensive quality inspection records, which are prepared in a clear, complete, and standardized format. These records ensure that all inspection processes are traceable and auditable, providing transparency for our customers.

By adhering to these thorough quality control measures, Beijing Lieying Hoisting Machinery Equipment Co., Ltd. ensures the delivery of reliable, high-performance products that meet the needs and expectations of our valued customers.