Engine Piston for Komatsu 6D140 Diesel Engine

Guangzhou Tianhe District Qianjin Yiling Machinery Parts Business Department, established in 2013, is a professional supplier focusing on high-performance engine repair kits and cylinder gaskets for construction machinery excavators, boasting solid capabilities in both standard product supply and customized solution development.​

The company distinguishes itself with an optimized organizational structure, cutting-edge manufacturing technology, and first-class production equipment, supported by mature product processing workflows that guarantee stable output. Its core strength lies in end-to-end independent capabilities: from precision mold making (critical for consistent product shaping) to in-house R&D and design teams, enabling it to not only meet large-scale mass production needs but also craft custom special seals with high accuracy based on customers’ unique requirements and technical drawings.​

Adhering firmly to the principle of “Integrity First, Quality First”, the company leverages decades of accumulated technical expertise and market service experience. Guided by strict OEM standards, it has independently developed over 1,000 product models, fully covering diverse construction machinery applications. Particularly tailored for excavator engines, its products exhibit distinct performance advantages—such as excellent high-temperature resistance, strong sealing stability, and long service life—perfectly adapting to the harsh working conditions of construction equipment.​

Under its independent brands including NUK, LIINGSI, TOB, and OML, the company’s products are exported to dozens of countries and regions across Southeast Asia, Central and South America, the Middle East, and Africa. Backed by reliable quality, timely delivery, and responsive after-sales service, its offerings have won unanimous recognition and praise from global customers, solidifying its reputation as a trustworthy partner in the international construction machinery parts market.