DJF (Guangzhou Jiarui & XinXing Company) as China’s largest hydraulic seal kits manufacturer, produces a wide variety of construction machinery seals, o-rings and seal kits for excavators, loaders, bulldozers, cranes, hydraulic hammers, and more other construction machinery.
Our seal kits precisely matched to fit all major construction machinery brands:
Caterpillar, Komatsu, Hitachi, Kobelco, Volvo, Sumitomo, Kato, Daewoo, Hyundai, JCB, Case, Sany, XCMG and more others brand.
Our ISO9001:2015-certified factory features automated CNC lathes, driven by intelligent control systems to ensure high standards of precision and quality.Our products undergo both machine and manual inspection to ensure they meet stringent quality standards.
We have a professional R&D team and support both OEM and ODM services.
We provide sealing solutions to meet the needs of customers in a wide range of industries, including heavy industry, mining, manufacturing, natural resource extraction, and construction machinery.
With extensive material knowledge, technical expertise, and application experience, we are able to provide customers with comprehensive solutions and complete seal kits of the highest quality.
We also regularly participate in international construction machinery exhibitions:
2016 Bauma Exhibition:
2018 Bauma Exhibition:
2020 Bauma Exhibition:
2023 Mining Indonesia Exhibition:
2024 (M&T Expo) International Construction Machinery and Mining Machinery Exhibition (São Paulo, Brazil):
2024 Bauma Exhibition: