About Us
Shandong Changzheng Mechanical Equipment Manufacturing Co., Ltd
Shandong Changzheng Mechanical Equipment Manufacturing Co., Ltd. is located in the historically and culturally renowned city of Boshan District, Zibo, Shandong Province. Founded in 1993 with a registered capital of RMB 50 million, we have thrived through over three decades of pioneering efforts. Today, we stand as a comprehensive enterprise that integrates the manufacturing of mechanical equipment, chemical engineering, building materials equipment, trade, and services.
Our Reducer Division specializes in the professional production of various reducer system products. As a member of the China General Machinery Industry Association Reducer Branch and the Chongqing University Heavy Duty Gear Transmission Joint Research Center, it offers nearly 1,600 product specifications, including YCJ, CZR, CZS, CZF, CZK, ZDY, ZLY, ZSY, ZFY, DBY, DCY, NCZD, H, B, and other reducer products. The division also undertakes the design, development, and manufacturing of various non-standard reducers.
The company was established in
Registered capital
Specifications available


Brand Center
Technology Research and Development
Pursuing Quality
Striving for National Renowned Brand
Corporate Culture
Chinese Dream Changzheng Spirit
The Changzheng concept—Stones endure for longevity, spirits endure over time.
Our team’s style, akin to resilient stones, reflects unwavering perseverance. Our spirit remains indomitable, and our products embody “real and reliable, genuine and steadfast”. They endure the tests of time and weather, a testament to our sincerity exchanged for genuine quality.
Delve into the culture of our journey, experiencing not only the challenges and hardships of entrepreneurship but also the sincerity and enthusiasm that defines our humanity. Our commitment extends beyond delivering high-quality and reliable products to providing thoughtful and considerate services. The hearts of our staff soar as wide as the blue sky, flying alongside white clouds. Our ideals, as deep as the sea, surge forward together with the currents.
We strive for perpetual renewal, constant development, addressing weaknesses with sharpness. Each effort sown reaps its own harvest, as we relentlessly pursue customer satisfaction—it’s our responsibility.
