2021 Free oil seal kit excavator hydraulic boom cylinder for Caterpillar E350 for Kobelco SK350
2021 Free oil seal kit excavator hydraulic boom cylinder for Caterpillar E350 for Kobelco SK350
Supply full range of excavator cylinders for Hitachi, Caterpillar, Volvo, Kobelco, Komatsu, Kato, Sumitomo, Liugong, Liebherr, etc machines
All forged ear rings, proper treatment on Q+T, washing+cleaning, Chrome plating, assembling.
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| Rod material | Tube material | Seals | Tube cleaning | Chromium coating |
| 40Cr/45# steel Q+T | 27SiMn/20# steel | Kaden/Aston | Ultrasonic/high pressure chemical liquid | 30-60 micro |
-- A lot cylinder fails because of rod scratched by it's machined steel scraps from the beginning
-- A lot cylinders fails because of too thin chromium coating or wrong treatment of hydraulic rod before coating : We treat hydraulic rod properly and have from 30 to 60 micromillimeter chromuim coating for different type or tonnage rate hydraulic rod -- free from chromium peel off or rusting. -- Heavier chromium coating available for big hydrauli cylinders.
-- A lot cylinders fails because of saving 2 dollars on seals to get their cylinders sell cheap and quick not thinking of after sell services. -- We only use proper quality seals, although it cost bit more.
-- A lot cylinders fails because of use lower grade steel and no proper Quenching and Tempering to save 20 dollars in cost. -- We use proper steel and treat steel properly according to ISO standard on hydraulic cyliners.
Using proper material to manufacture the excavator hydraulic cylinders and accessories
Hydraulic testing of every hydraulic cylinder before delivery Free from failure
Advanced mechine centre and precision CNC machine facilities assures top quality
Hydraulic Cylinders we made for excavators and more
More parameters and product types
ü Up-to-date design, CAD/Solidworks calculated and simulated
ü High standard to suit western country operators' use
ü ISO quality control manufacturing
ü Free and efficiant communication
ü Quik and professional response
ü Patient and resposible before-sale and after-sale services
ü Over 40 years experiences on metal fabrication, hydraulics apply and control and consultancy in Australia
ü World class quality at affordable price
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