Hydraulic Components Hydrotech Marine Engineering Service

Spring is an indispensable part of the regulator, which plays an important role in the operation of the regulator. zhongye strictly checks the technology and production of spring manufacturers, and chooses domestic and foreign first-class spring manufacturers for cooperation. Spring into the factory before the need for millions of compression tests, after reaching the standard can be identified as qualified products, to ensure that the tensile performance and service life of the spring to maximize.
In line with DIN EN 10270-2 valve spring wire high strength, surface hardening, ultra-clean, peeling, crack test heat treatment process: 300-400°C tempering, surface treatment: shot peening + oil.
Each regulator is in the perfect quality management system for research and development, production, testing, packaging and transportation, each link is a strict professional quality management and control, so that customers have the rest of the quality products, enjoy the enthusiasm, professional, reliable after-sales service!

Quality Control
The zhongye has very strict requirements on the cleanliness of the workshop and equipment. To build a dust-free workshop, each regulator can ensure production and manufacturing in a clean, tidy and dust-free environment. In the production process, we set up high temperature and high pressure cleaning machines, ultrasonic cleaning machines, kerosene cleaning machines (crude cleaning 10μand fine cleaning 3μ), refer to JB7858, cooperate with the construction of a special cleanliness testing laboratory, assist the development of professional cleanliness management regulations, so as to ensure the cleanliness of our products.

Industries and Applications

Our professional technicians serve projects large and small in a wide range of industries, including:

• Automotive presses, compressors, and cylinders
• Heavy equipment and construction tools
• Industrial motors and pumps
• Material handling tools, lifts, and conveyors
• Mobile cylinders and compact systems
• Railroad equipment

Q1. What is your terms of packing?
A: Generally, we pack our goods in anti-rust treatment/polybag/foam boards and wooden cartons. If you have legally registered patent, we can pack the goods in your branded boxes after getting your authorization letters.

Q2. What is your terms of payment?
A: 100% before delivery. We'll show you the photos of the products and packages before you pay the balance.

Q3. What is your terms of delivery?
A: EXW, FOB, CFR, CIF, DDP, DDU.

Q4. How about your delivery time?
A: Generally, it will take 5 to 10 days after receiving your advance payment if there are stock, otherwise it will take 20-25days. The specific delivery time depends on the items and the quantity of your order.

Q5. What is your sample policy?
A: We can supply the sample if we have ready parts in stock, but the customers have to pay the sample cost and the freight.

Q6. Do you test all your goods before delivery?
A: Yes, we have 100% test before delivery to ensure the quality of products.

Q7: How do you make our business long-term and good relationship?
A:1. We keep good quality and competitive price to ensure our customers benefit ;
2. We respect every customer as our friend and we sincerely do business and make friends with them, no matter where they come from.