Custom Hydraulic Cylinder Manufacturer, Pilling Machinery, for Rotary Drilling Rig

• Customization: Available
• Certification: ISO9001
• Pressure: Customized (0MPa-40MPa)
• Model NO.: customized
• Acting Way: Double Acting
• Working Method: Straight Trip
• Adjusted Form: Regulated Type
• Structure: Piston Type
• Material: Alloy Steel, Stainless Steel, Carbon Steel,
• Plating: 0.03mm-0.05mm
• Heat Treatment: 7m
• Bore Size: Customized
• Over Length: Customized
• Transport Package: Polly Wood Box/ Pallet
• Specification: customized
• Trademark: ChangYu
• Origin: China
• HS Code: 8412210090
• Production Capacity: 10000 Pieces/Year

Product Description

Basic Info.

 

Stroke Length	Customizable
Bore Size	Customizable
Quality Check	100% Testing Before Shipping
Power	Hydraulic
Trasport Package	Poly wood box/pallet
Trademark	CHANGYU
Specification	Customizable
Oil Port	NPT/SAE/BSPP/Customizable
Origin	China, HE BEI
Production Capacity	10000PCS/year

 

Product Description

 

 

About us

 

Established in 1984, now Zhangjiakou Great Wall Hydraulic Cylinder Co., Ltd. (hereinafter referred to as CHANGYU) was restructured in 2003 from its predecessor founded in 1984. As a key domestic manufacturer of hydraulic cylinders, CHANGYU is also a major contributor to drafting national industrial standards for hydraulic cylinders. Our factory spans 140,000m2
with a production area of approximately 100,000m2
. The company employs around 150 staff members and owns two wholly-owned subsidiaries: Zhangjiakou Changyu Construction Machinery Hydraulic Cylinder Co., Ltd. and Beijing Changyu Lihua Hydraulic Systems Engineering Design Co., Ltd. We are ISO9001, ISO14001, and OHSAS18001 certified, specializing in hydraulic cylinders for over 40 years. As a leader in engineering design and manufacturing, we are a key participant in drafting the National Hydraulic Cylinder Standard.

Our company boasts an independent intellectual property rights development organization, specializing in hydraulic systems, non-standard equipment development, and design. With a team of top technicians, we have developed numerous high-end manufacturing equipment in recent years, securing several national patents. Our 'Changyu' brand hydraulic cylinder series exemplifies our commitment to innovation and quality.

Certifications

 

Enterprise Features

 

Packaging & Shipping

 

FAQ

 

1. What is CHANGYU product's quality assurance?
We conduct a 100% inspection of each product before shipping, providing an inspection report for tracking purposes.

Q2. How long is the warranty on CHANGYU products?
Our general products come with a one-year warranty from the date of shipment.

Q3. How can we ensure the order is shipped on time?
We discuss the delivery date with the customer in advance and maintain timely communication. If any issues arise, we will contact the customers and provide a prompt solution.

Q4. Does CHANGYU offer delivery services?
Yes, we cooperate with express companies to provide quick and convenient delivery services for our customers.

Q5. How does CHANGYU control product quality?
1. Raw materials: We have long-term partnerships with well-known domestic raw material suppliers, ensuring strict quality control. Suppliers provide material quality documents.
2. Processing: We use leading machining equipment and have obtained ISO9001 certification.
3. Heat treatment: Our professional team ensures the quality of the cylinders through specialized processing and heat treatment.
4. Plating: Our expert electroplating team ensures the cylinders' corrosion resistance and longevity.
5. Assembly pressure test: We conduct 100% testing and provide a detailed report.