Quality Control - SHANDONG ZHENGYANG MACHINERY CO., LTD.

Strict Quality Control For ZY Trailerparts

The group company invested nearly 10 million yuan to purchase advanced testing equipment at home and abroad, such as German Spectrometer, Hexagon three-coordinate, metallographic analyzer, Brinell hardness tester, tensile testing machine, etc. The company strictly controls every process from raw material procurement to storage, processing, and finished product delivery, and adheres to multi-batch cyclic sampling testing and laboratory analysis, so that the product qualification rate has reached 99.9%.

Factory Show

Warehouse, Machining Center And Office

trailer spare parts supplier
trailer spare parts factory
trailer parts manufacturers

Honor Certificates

Air Suspension Technology Is Leading Domestically And Has Obtained National Patents

Under the condition of guaranteed rated load, the air suspension developed and produced by Zhengyang reduces the weight of each set by 46 kg, which is 18% lower than that of the previous year, and the product reaches the domestic leading level.
Internationally Advanced Machining Production Line

The machining production line adopts the most advanced vertical CNC lathes in China. The products are produced with high precision and the dimensional error is controlled below 10 microns, reaching the international advanced level.
Obtained the Environmental Protection A-level Green Benchmarking Enterprise

The entire production line has high safety and no pollution, and completely solves the emission problem in the casting process. The company has now been approved as a B-level green benchmark enterprise by the Ministry of Environmental Protection.
The Company Has Won A Number Of National Patent Awards

At present, it has obtained 35 national patents and has passed the 16949 quality management system certification. It is a state-level high-tech enterprise, and has been rated as a famous trademark in Shandong Province, a gazelle enterprise in Jining, and a small and medium-sized enterprise in Shandong Province.
Internationally Advanced Axle Assembly Line

The axle assembly line adopts the most advanced commercial vehicle axle automatic production line in the world. It is equipped with automatic visual inspection system and ME system, and adopts double-speed chain conveying tooling, which can produce one axle in two minutes.

History

2020

In 2020, The group company invested nearly 10 million yuan to purchase advanced testing equipment at home and abroad, such as German Spectrometer, Hexagon three-coordinate, metallographic analyzer, Brinell hardness tester, tensile testing machine, etc. The company strictly controls every process from raw material procurement to storage, processing, and finished product delivery, and adheres to multi-batch cyclic sampling testing and laboratory analysis, so that the product qualification rate has reached 99.9%.

2021

In 2021, the company will be awarded the national specialized special new "Little Giant" enterprise. Approved by the National Ministry of Environmental Protection foundry industry A class green benchmarking enterprise.