8ton-25ton Luffing Cylinder Hydraulic Cylinder for Truck Crane.

• certificat: ISO 9001
• Pression: personnalisé (0 mpa-40 mpa)
• Température de travail: Température normale
• Way par intérim: Double jeu
• Méthode de travail: Trip droite
• Formulaire ajusté: type de réglementé
• N° de Modèle.: customized
• Structure: Type de piston
• Matériel: acier allié, acier inoxydable, acier au carbone
• sur-longueur: personnalisé
• taille d′alésage: personnalisé
• placage: 0,03 mm-0,05 mm
• traitement thermique: 7m
• Paquet de Transport: Poly Wood Box/Pallet
• Spécifications: customized
• Marque Déposée: ChangYu
• Origine: Chine
• Code SH: 8412210090
• Capacité de Production: 10000 Pieces/Year

Description de Produit

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

        1.Suitable and durable accessories.                                                                                                1.40 years of manufacturing experience.                   
        2.Strict QC process before shipping.                                                                                               2.Served over thousand customers from 10+ countries.       
        3,ISO certified.                                                                                                                                 3.Customizable & Special option available.     

            1.60days delivery time shorter than 90% of same line.                                                              1.12 months Warranty.                                  
                                                                                                                                                                2.Passed stress test before shipping.                       
                                                                                                                                                                3.10 years' service life.                                     

Product Description

Material: For different products and working environment requirements, we choose the most suitable metal materials.

Machining: Our CNC controlled machines, robot manipulator and skilled operators produce components with tolerance demands down to a few hundredths of a millimeter, which is a prerequisite for our own developed hydraulic components.

Inspection: Products will be strictly inspection on our factory QC Process System. To Insure the Quality, all of our products process pressure test before shipment.  

About us

Established in 1984, now Zhangjiakou Great Wall Hydraulic Cylinder Co.,Ltd. (hereinafter abbreviated to the CHANGYU) was built in 2003 by restructuring on the base of the predecessor opened in 1984. The Company is a domestic key manufacturer involved into hydraulic cylinder and also a major unit authorized to draft the national industrial standard about hydraulic cylinder. The factory of the Company has a floor area of 140,000m2 which includes a production area about 100,000m2. The Company has a staff team about 150 people. The Company has two wholly-owned subsidiaries: Zhangjiakou Changyu Construction Machinery Hydraulic Cylinder Co., Lt. and Beijing Changyu Lihua Hydraulic Systems Engineering Design Co., Ltd. The Company had been ISO9001, ISO14001 and OHSAS18001 listed. Specialized in hydraulic cylinders for more than 40 years. Changcheng hydraulic group. Is a leader in the engineering design and manufacture. Also a main member of drawing National Hydraulic Cylinder Standard.

The company has its own intellectual property rights product development organization. Specialized in hydraulic systems, non-standard equipment development and design, but also has a lot of top technicians! Specializing in the development of hydraulic systems, hydraulic cylinders and non-standard equipment. The company has developed a lot of high-end manufacturing equipment in recent years, and has obtained a number of national patents. At the same time, "Changyu brand" hydraulic cylinder series products.

Certifications

Enterprise Features

Packaging & Shipping

FAQ

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.