4BT3.9 cylinder block 3903920 basic diesel engine assy 

About us
Xiangyang Zhongkang Auto Parts Co.,Ltd is a manufacturer and exporter specialized in engine spare parts for CUMMINS and Caterpillar. Our products include Cylinder head, Cylinder head assembly, Cylinder block, long block, short block and so on. Also a couple of products are under development and will come soon. Regard" Quality First, Credit Highest" as the aim should any of these items be of interest to you, please let us know, we will be happy to give you details.

Main Features:
1. All of our goods are made by CNC machine, Have strict control on each procedure to make sure about the quality (Three-coordinate measuring machine)
2. Production capacity: cylinder head:500pcs/month, cylinder block:200pcs/month
3. Now we supply OEM service to Dongfeng Commercial Vehicle and Dongfeng Cummins Engine Co.,Ltd.

QA/QC Introduction
An independent Quality Control Department is supervised directly by General Manager and responsible for the following duties:
1) Physical and material analysis, dimension measurement, weighting and other inspection of the raw materials and finished products
2) Particular test for different products
3) Measurement and confirmation to quality standards
4) Identifying, recording and disposing of rejected material  

Quality is the second important factor for a company, We follows the principle "quality is the first" to service our customers. The good quality enjoys great reputations and market feedback.

For ordering our goods, pls kindly show us the specification of the goods- part name, part number, model and required quantity. Thanks.
 
Welcome to inquire, here we can promise you:
1. We provide 1 year warranty for our goods!
2. We are able to delivery the goods to you on time once you place the order!
3. We provide best service based on professional and sincerely attitude!