About us

  Quanzhou Tianlei Construction Machinery Co., Ltd. is a production enterprise integrating R&D, design, heat treatment and assembly. Now the company adopt high-end intelligent equipment and produce according to the international leading technology standard. high-end technical force, modern professional management system, the company currently company Mass production of 3-8T, 10-15T, 20T, 30T and 40-80T crawler excavators, bulldozers, loaders, crawler and rig chains, track shoes, rollers, guides Wheels, carrier sprocket wheels, drive wheels, high-strength screws and all kinds of wearing parts. The company's products are widely used in mines and OEM OEMs. After years of technology and quality improvement, it has reached the domestic leading level. We follow the long-term development concept of “Quality First, Customer First” to ensure the qualified rate of products. It has won the recognition and trust of all provincial distributors and terminal customers. The products are sold at home a

  Quanzhou Tianlei Construction Machinery Co., Ltd. is a production enterprise integrating R&D, design, heat treatment and assembly. Now the company adopt high-end intelligent equipment and produce according to the international leading technology standard. high-end technical force, modern professional management system, the company currently company Mass production of 3-8T, 10-15T, 20T, 30T and 40-80T crawler excavators, bulldozers, loaders, crawler and rig chains, track shoes, rollers, guides Wheels, carrier sprocket wheels, drive wheels, high-strength screws and all kinds of wearing parts. The company's products are widely used in mines and OEM OEMs. After years of technology and quality improvement, it has reached the domestic leading level. We follow the long-term development concept of “Quality First, Customer First” to ensure the qualified rate of products. It has won the recognition and trust of all provincial distributors and terminal customers. The products are sold at home and abroad, pursue product quality, constantly strive for process innovation, service innovation, and strive to provide customers with quality products and services. Welcome new and old customers at home and abroad to visit, guide, patronize, create perfection and create eternal!



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Solemn statement on supporting the provisions of the new advertising law2019-11-19

On September 1, 2019, the new advertising law stipulated that all pages should not have absolute words and functional words. We support the new advertising law, and the obvious areas of the company's website are under investigation and modification. Hereby solemnly state that the absolute words and functional words on all pages of the company are invalid and shall not be taken as any compensation reason. We will gradually check and improve the modification of the non obvious areas, and comprehensively modify the page. The company does not accept and does not compromise the network fraud in any form. Please make way for the real consumers! Safeguarding rights is two-way. I hope you all understand. If the company has the highest advertising words, limit words, etc., which means comparison within the scope of the company, indirect performance comparison of goods, only comparison between the goods sold by the company and those sold in the past, without involving other oper
  • 14
    2020-09
    What are the methods of chain surface treatment
    Shot peening A kind of surface treatment, according to the need to use a certain diameter of steel shot on the surface of parts, forming uniform small pits, in order to improve the surface fatigue strength of the chain. Bluish After the parts are heated to a certain temperature, they are cooled by chemical water solution and saponified to make the surface color of parts appear blue. After blue treatment of the chain appearance beautiful, but also the role of rust. Phosphating The parts are immersed in a certain temperature phosphating solution to form a phosphating layer on the surface of the parts, which can make the surface color of the parts appear black or gray, improve the beauty of the chain and achieve the purpose of anti-corrosion. These phosphating solutions can be recycled and have less environmental pollution. Plate with nickel Nickel coating is formed on the surface of parts by electroplating or el
  • 04
    2020-09
    Disassembly and installation of crankshaft front and rear oil seals of Hitachi excavator
    There are 11 steps to remove the crankshaft front oil seal of Hitachi crawler excavator (1) Drain the coolant. (2) Remove the starter. ① Disconnect the grounding cable of the starter. ② Loosen the upper and lower mounting nuts from the starter and remove the starter from the flywheel housing.
  • 31
    2020-08
    Problems of roller
    ​ A. The wheel body is worn. The reason for this situation is that the steel used is not qualified, or the hardness of the material during heat treatment is low, and the wear resistance is lack; B. Oil leakage. The bearing wheel shaft is continuously rotating through the shaft sleeve, and the wheel body should be lubricated to be smooth. However, if the sealing ring is not good, it is easy to cause oil leakage. In this way, the shaft and the shaft sleeve are easy to wear and tear under the condition of no smoothness, forming that the product cannot be stopped using.
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