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·
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.
BZD's main customers at present are from China, the United States, Japan, Germany, India, Brazil, Russia, the Czech Republic, Malaysia, etc.
Plant Area (m2),It is conveniently located in the City of Binzhou in Shandong Province, China, surrounded by a robust transportation and service network.
BZD owns 31 national patents, including 6 invention patents and 25 new utility patents.
Binzhou Zhengdao Mechanical Manufacturing Co., Ltd.（a.k.a. BZD) was founded in 2006.
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
通过ISO/TS16949质量管理体系认证
通过ISO14001环境管理体系认证
通过中国国家级安全生产标准化考核
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
开始生产喷嘴环（用于涡轮增压器，不锈钢材质）。
We strive for: 1) 100% customer satisfaction 2) Material and emotional wellbeing of our employees 3) Betterment of society.
Embrace one's conscience, walk the straight path.
Singular steps traverse thousand kilometers; tiny streams feed the ocean.
dedication to company, being coachable, self-discipline and diligence, team spirit.
