Customization: | Available |
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Certification: | ISO9001 |
Pressure: | Customized (0MPa-40MPa) |
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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 |
Founded in 1984, we have evolved into Zhangjiakou Great Wall Hydraulic Cylinder Co., Ltd. CHANGYU, established in 2003 from its 1984 predecessor, stands as a pivotal domestic manufacturer of hydraulic cylinders and a key participant in drafting national industry standards. The company's expansive facilities cover 140,000m2 with 100,000m2dedicated to production. Employing around 150 professionals, we operate 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 four decades. As part of the Changcheng hydraulic group, we lead in engineering design and manufacturing, playing a significant role in the National Hydraulic Cylinder Standard.
Our company boasts an in-house intellectual property development division specializing in hydraulic systems and bespoke equipment design, staffed by top-tier technicians. We have spearheaded the creation of advanced manufacturing equipment, securing numerous national patents and establishing the 'Changyu brand' hydraulic cylinder series as a benchmark in quality.
Q1.What is CHANGYU Product's quality assurance?
100% inspection for each product before shipping with inspection rereport for tracking.
Q2.How long is the warranty on CHANGYU products?
The warranty is one year for general products since the date of shipment.
Q3.How to ensure the order can be shipped on time?
Discuss the delivery date with the customer in advance, and communicate with the customer in time. By the way, if have anyproblems we will contect with customers, and give a solution on time.
Q4.Does CHANGYU offer delivery service?
Yes, we has cooperation with express company to provide customers with quick and convenient.
Q5. How CHANGYU control the product quality?
1.Raw materials:We have perennial cooperation with raw material suppliers are well-known manufacturers in our country, as well as strict control of raw materials, and the supplier will attach material quality documents.
2.Processing: We have the leading machining equipment, and obtained ISO9001 certification.
3.Heat treatment:We have a professional processing and heat treatment team to ensure the quality of the cylinder.
4.Plating:We have a professional electroplating team to ensure the corrosion resistance of the cylinder and ensure the service life of the cylinder.
5.Assembly pressure test: 100% testing and given the report.