Why are export LED lights produced according to customer's technology continuously returned overseas?

According to the products produced by the customer, the products still have been returned. Recently, a company in Huzhou has encountered such an embarrassing thing. The reporter learned from Huzhou Inspection and Quarantine Bureau that a batch of LED lamps exported to South Korea by a certain enterprise in Huzhou was returned to China due to unqualified product quality, with a value of 1.18 million yuan. The company produced the LED ceiling lamp circuit board without the verification according to the technology provided by the Korean customer. The result was that the welding of the LED lamp was loose due to vibration during the transportation process, and the LED ceiling lamp was not bright when used. Return of Korean customers. It is understood that this return shipment has been the sixth time since the end of 2015, the LED lamps exported by the jurisdiction have been returned by foreign customers. The staff of Huzhou Inspection and Quarantine Bureau carried out follow-up inspection and comprehensive analysis, and issued reminders to relevant enterprises: on the one hand, it is necessary to strengthen the control of raw materials for exporting industrial products, help enterprises to establish raw material acceptance system and control awareness, and prevent from the source. The production of unqualified products; on the other hand, the quality of the production process is well checked and fully qualified before exporting.

Chain Conveyor

QUANTUM En Masse and Drag Chain Conveyors are used to convey powdery and granulated products across a range of inclined and vertical installations.


QUANTUM utilizes drop-forged links with case hardened pins, or standard conveyor chains depending on the material to be conveyed & the application.


The conveyor length is limited by the capacity and chain speed, but lengths of 100m and more are not uncommon, with capacities over 600t/hr.


The standard range of QUANTUM En Masse Conveyors comes in 2 grades:

• Light: (QCL Range, specifically designed for typical products Grain , flour, stock feed pellets, paper, pulp-> Specific gravity 750kg/m3)

• Heavy: (QCH Range, specifically designed for Cement, fly ash, sand, woodchips, biomass, coal powder -> Specific gravity 1500kg/m3)


All ranges span from 190-1000mm wide, come with single or dual chain options and have a variety of standard attachments to suit the application. For Bin discharge, we provide multiple strand chain & specially designed hoppers for constant & even emptying.


QUANTUM can provide customized designs, including for high temperature applications and all conveyor arrangement can be designed into horizontal or inclined layout.

Chain Conveyor,Drag Chain Conveyor,Tube Chain Conveyor,Scraper Chain Conveyor

Quantum Conveying Systems Yangzhou Co.,Ltd. , https://www.ycectech.com