9187754 9174339 ZX450 EX400-5 Excavator Hydraulic Boom Cylinder Assy Parts

Our Goals

We are committed to ensuring customer satisfaction through effective problem-solving, professional and needs-based support, and on-time delivery.

High Quality

1. We maintain strict quality control throughout every stage—from design to assembly. This includes precise inspection of components, final product testing, hydraulic oil cleanliness monitoring, and full process traceability.

2. Our commitment to quality drives continuous improvement, timely delivery, and full compliance with customer specifications.

3. We foster close collaboration with both customers and suppliers, supported by ongoing employee training to ensure excellence at all levels of our operation.

Flexibility

Built to withstand harsh environments, our hydraulic cylinders are engineered for maximum reliability under extreme conditions. Based on the working environment of your excavator, we offer customized solutions using specially selected materials, advanced surface coatings, and high-performance seals for superior durability and resistance.

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Customer Praise

Guangzhou Guoli Engineering Machinery Co., Ltd., located in GuangZhou city, benefits from a large construction machinery parts market and convenient transportation access. Our company specializes in producing a range of excavator hydraulic cylinders, including excavator arm cylinders, boom cylinders, bucket cylinders, cylinder tubes, and cylinder rods. With 10+ years expertise, we've established a complete production line from R&D to manufacturing, offering OEM customization and precise part number systems with technical specifications/photos/pricing. We pride ourselves on using premium materials such as high-strength steel and advanced processing technologies to ensure durability and performance.

In addition to hydraulic cylinders, we also provide a comprehensive range of other hydraulic components. This includes hydraulic pumps, swing motor, control valve,travel motors,engine parts,and undercarriage components, all designed for use in various excavator models. Our extensive product portfolio reflects our commitment to delivering complete solutions for construction machinery, ensuring that all critical components are available to meet the needs of our customers.

We serve a global customer base, including clients from Thailand, the Philippines, Indonesia, Malaysia, the United States, Turkey, Russia, Mexico, and many other countries. Our products have been recognized and recommended by local dealers and are highly regarded for their quality and reliability. With our competitive prices, timely delivery, and outstanding customer service, we are committed to providing the best solutions for each client. We warmly welcome inquiries from businesses worldwide and look forward to establishing long-lasting partnerships.