Welcome To Diligence & Fine Machinery (Qingdao)

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Company Introduction

Diligence & Fine Machinery(Qingdao)
Diligence & Fine Machinery (Qingdao) Co., Ltd. is specialized in dealing with the transmission components for general use,it is the integration of the manufacturing and sales of them,the products are mainly for export. A full range of tansmission parts are developed and designed by our capable and experienced engieers and advanced equipments are invested which ensure the superior products quality, reasonable prices and broad sales network, aiming to provide global customers with excellent power transmission components and excellent service. We have been dedicated to developing and improving the products quality and distribution network for 15 years, and as a result, Diligence & Fine has become one of the most famous brands in this highly competitive market.

And now, Diligence & Fine Machinery is a leading manufacturer and distributor, sales marketings spread over 20 countries and regions in the world.

Our high-quality products include: high-precision ground gears, timing pulleys, shrink discs, couplings, rims, pulleys(European Standard, American standard), belts, flanges, and various non-standard parts and castings products. The annual production capacity can reach 5 million pieces. The products can be used in various fields, including air compressors, wind motors, textile machineries, central air conditioning, environmental protection equipments, mining machineries, petroleum machineries, construction machineries, plastic machineries, woodworking machinerines, washing machineries, papermaking equipments, cable machineries, steel cord machineries, feed machineries, food machineries, glass machineries…and so on.

We will try to keep long term business cooperation with customers and manufactors from home and abroad by continuing to provide high-quality products, advanced technology, excellent after-sales service, and outstanding credit.

Driving precision manufacturing with ultimate craftsmanship and creating lasting value with reliable quality – this is our relentless pursuit of excellence.
 
| Our History
  • 2010
  • 2015
  • 2016
  • 2025
  • Establish a production system

    Our company was built on a long-standing foundation of engineering expertise and industrial manufacturing experience. Before establishing our own production system, our core team spent years serving leading factories in the transmission components industry—accumulating deep knowledge in metal processing, precision machining, and quality management.
  • A brand-new manufacturing platform

    With this technical background, we integrated advanced CNC equipment, strict inspection standards, and a professional engineering team to create a manufacturing platform that meets global quality expectations. Although the brand is newly launched, our processes, technology, and management system were developed long before its establishment.
  • Looking forward to the future

    Going forward, we are committed to continuous improvement, international market expansion, and long-term partnerships with customers worldwide.

Company Advantages

Why Choose Us

7×24 Hours Service Support

Fast response, efficient communication, and continuous technical assistance to ensure smooth cooperation at every stage.
 

Professional Engineering Team

Experienced engineers provide precise drawings, material selection guidance, and reliable technical solutions for diverse transmission applications.
 

Competitive & Reasonable Pricing

Optimized manufacturing and supply chain management allow us to offer stable quality and cost-effective products for long-term partnerships.
 
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