OEM 13711-75110 13715-75100 engine valve intake and exhaust valve for Toyota 2TR Auto car parts

Quality Supervison

By choosing Longdo's product, you can get the best quality product and warranty service.

For our client success, all product from Longdo are under strict quality control process. We ensure all products from Longdo will comply with local and international stardard and will pass additional verification internally.

Depends on different stage, there will be different checking ratio. furthermore,for some key and high-performance-requested parts, we verify and test them in the particular lab which have a long time relationship with us. so that we can make sure the product is perfect before delivering to our client.

Quality Supervison Process

Flow chart of business processing

Process Supervison

Longdo is running deeply customized SAP ERP system as the core data center , which enables us to effectively and flexibly track or solve product-relevant issues for clients, including inquiry of product information, quotation, order placement, purchase and production plan, stocking, shipment, settlement and service, so as to minimize manual data processing and increase delivery efficiency.

Quality Warranty

Longdo guarantees product quality through quality control and process control, aiming at avoiding quality problems before shipment. Meanwhile, Longdo takes each quality advice from clients seriously and accepts quality-relevant claims caused by Longdo’s reason within a limited time, and makes immediate compensation and quality improvement action. “New quality performance” project is the comprehensive new 18 months quality warranty commitment to clients, which can finally be achieved by our always effort in quality and performance improvement.

By far, the products provided by Longdo have all passed international safety or quality authentication standard (such as body parts lighting system and braking system products have be certified by E-mark in one time), which further proves the safety and reliability of our products.