Product Description
The oil return filter is used to filter the oil returned to the hydraulic system. It filters out metal particles produced by component wear in the hydraulic system, as well as rubber impurities caused by seal wear and other contaminants, so that the oil flowing back to the tank can be kept clean.
Customized service
We can offer OEM ODM service,please offer us Specifications and drawings.
Specification
Production Process
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Application scenarios
Our company
Qingdao zhonghai marine Machinery Co., Ltd., formerly Qingdao Northern Shipping Engineering Co., Ltd., was established in 1997 and has experienced 26 years of development.
About Us
Qingdao Zhonghai Marine Machinery Co., Ltd. was established in 2008 with a registered capital of 5 million yuan.
formerly Qingdao Northern Shipping Engineering Co., Ltd., was established in 1997 and has experienced 26 years of development.The company is a private enterprise and is located in Liuting New Building Materials Industrial Park, Chengyang District, Qingdao City, Shandong Province. The company's production plant covers an area of 5,000 square meters. Its leading products include: marine Hydraulic systems of life-saving/rescue equipment, special equipment for shipyards; hydraulic cylinders, hydraulic winches, hydraulic pump stations, hydraulic control valve groups, high-pressure hoses, pipe joints, etc. At the same time, the company also undertakes projects such as hydraulic equipment maintenance, hydraulic cylinder maintenance, and non-standard design of hydraulic equipment. There are currently 45 employees. It has an automatic cylinder welding machine, a special cylinder test bench, a high-pressure hose cutting, stripping, crimping, flushing and bursting pressure test bench, CNC plasma, flame cutting machine, 20t gantry crane, vertical machining center, CNC lathe and general lathe, grinding machine , planing, milling, boring and other equipment.
The company now has a design and R&D space of 200 square meters, more than 10 sets of major scientific research equipment, 15 people with a college degree or above, and 13 technical staff. R&D tasks are formulated every year based on market and enterprise development.
The hydraulic cylinders and hydraulic winches produced by the company have obtained product certifications from CCS (China Classification Society), BV (Bureau Veritas), and DNV (Det Norske Veritas) respectively. The hydraulic systems, hydraulic cylinders, hydraulic winches and high-pressure hoses it produces are exported to the United States, Japan, South Korea, Singapore and other countries.
Honor certificate
Capacity of R&D Research
The company now has a design and R&D space of 200 square meters, more than 10 sets of major scientific research equipment, 15 people with a college degree or above, and 13 technical staff. R&D tasks are formulated every year based on market and enterprise development.
Team building
Quality Control
1.We have a professional and senior design team and all specification is designed by professional engineers.
2.All product is processed by skilled workers and advanced CNC lathe.
3.All cylinders are 100% tested before package .
4.One year warranty and long time track service is offered to solve any problems of after sale.
5.We can provide China Classification Society certificate.
FAQ
Q1: Do you accept OEM/ODM manufacturing?
A1: Yes! We do accept OEM/ODM manufacturing.
We will make the exact product according to your specification and drawing.
Q2: Could we get small quantity samples?
A2: Yes! We understand the quality test is important and we are glad to make the sample for you.
The MOQ is one pcs.
Q3: How long is the production time?
A3: Generally the production time is 30 days.
Contact us
Amy qiu
Qingdao Zhonghai Marine Machinery Co., Ltd.
Address:No. 37 Yuting Road, Liuting Street, Chengyang District, Qingdao City
Audited Supplier 
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