1、Binzhou Zhengdao Mechanical Manufacturing Co., Ltd.（a.k.a. BZD) was founded in 2006. It is conveniently located in the City of Binzhou in Shandong Province, China, surrounded by a robust transportation and service network. 

2、Main products: wear-resisting piston ring carrier inserts, salt cores, and ring carrier inserts with cooling passages.

3、Founder and President, Mr. Su Daosheng, is a researcher who pioneered the field of wear-resistant piston ring carriers in China. He developed the country's first wear-resisting piston ring carrier insert in 1984. Today, his company leads the piston ring carrier inserts and salt core markets in both quality and technology. 

4、BZD has passed the following authentications: 

      - ISO14001 (2004) 
      - TS IATF16949 Quality Management system (2008)
      - Environment Management System (2012)
      - National Measurement Standard Examination (2012)
      - Certification of National Production Safety Standardization (2013)

5、BZD owns 23 national patents, including 5 invention patents and 18 new utility patents.

6、BZD's main customers at present are from China, the United States, Japan, Germany, India, Brazil, Russia, the Czech Republic, Malaysia, etc. They are:

      MAHLE (China): the supplier for Mercedes-Benz and other well-known automobiles in the world
      China VW Pistons: the supplier for Volkswagen
      KS (Japan): the supplier for Mazda in Japan
      ART (Japan): the supplier for Toyota 
      Korean Southeast Asia Piston (China): the supplier for Hyundai and Kia
      Piston Honda (Japan): the supplier for Honda in Japan and in the other parts of the world 
      Federal Mogul （Qingdao China）：the supplier for BMW and Volvo 
      Honda Piston (China) ：the supplier for Honda in China and other countries in the world

7、What sets BZD apart:  ① Customer satisfaction with BZD products and services are guaranteed， thanks to our comprehensive quality management system. We stand behind our products.  ② We offer competitive pricing for quality products to help our customers remain competitive. We focus on building long-term mutually beneficial relationship with our customers.