ABOUT BZD

1、Binzhou Zhengdao Machinery Manufacturing Co., Ltd. was established in September 2006 and is located in Binzhou, the first batch of national-level sanitary cities in China, with convenient transportation and perfect service facilities.

2、The company's main products include wear-resistant liner rings, salt cores, wear-resistant liner rings with internal cooling channels, and stainless steel nozzle rings.

3、Mr. Su Daosheng, the Chairman of the company, is the chief research expert in China for wear-resistant liner rings of aluminum pistons. He initiated the research on liner rings in 1984 and was the first person in China to successfully develop wear-resistant liner rings. The products manufactured by Zhengdao Company are recognized as the top in technology and quality among all manufacturers in China.

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、The company holds 51 national patents, including 8 invention patents and 43 utility model 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 makes BZD outstanding: ① With a robust quality management system in place, we can consistently and stably guarantee product quality.  ②We emphasize the reduction of product costs and commits to providing our customers with competitively priced and attractive products.  This commitment assists our customers in minimizing costs, establishing a long-term mutually beneficial cooperation·


  • 2006Year

    a.k.a. BZD was founded in 2006. Main products: wear-resisting piston ring carrier inserts, salt cores, and ring carrier inserts with cooling passages.

  • 10+

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

  • 34000+

    Plant Area (m2),It is conveniently located in the City of Binzhou in Shandong Province, China, surrounded by a robust transportation and service network.

  • 30+

    BZD owns 31 national patents, including 6 invention patents and 25 new utility patents.

OUR HISTORY

2006年1月

成立正道机械

Binzhou Zhengdao Mechanical Manufacturing Co., Ltd.(a.k.a. BZD) was founded in 2006.

2009年1月

开始正式生产耐磨镶圈和盐芯

开始正式生产耐磨镶圈和盐芯,董事长苏道胜是中国耐磨镶圈产品创始人

2009年12月

通过质量管理体系认证

通过ISO/TS16949质量管理体系认证

2012年7月

通过环境管理体系认证

通过ISO14001环境管理体系认证

2013年11月

通过国家级安全生产标准化考核

通过中国国家级安全生产标准化考核

2014年1月

获得部、省、市级单位奖励

科技部、省科技厅及滨州市科技局奖励正道公司110万元人名币用于新产品及新技术研发

2015年4月

开始生产喷嘴环

开始生产喷嘴环(用于涡轮增压器,不锈钢材质)。

Corporate Culture

  • Mission Statement

    We strive for: 1) 100% customer satisfaction 2) Material and emotional wellbeing of our employees 3) Betterment of society.

  • Corporate Philosophy

    Embrace one's conscience, walk the straight path.

  • Management Principle

    Singular steps traverse thousand kilometers; tiny streams feed the ocean.

  • Employee evaluation metrics

    dedication to company, being coachable, self-discipline and diligence, team spirit.

Marketing Network

1440.jpg