The technical conditions of the castings comply with the requirements of HT300 in GB9439-88 standard, and the dimensional tolerance of the castings complies with the tolerance level CT21 in CB6414-86 "Dimensional Tolerances of Castings"
| Model NO. |
OEM |
Product Name |
OEM Casting Service |
| Application |
Hydraulic Machinery Parts |
Technology |
Shell Coated Sand Casting
,Gravity Casting |
| Material |
Iron Casting |
Lead Time |
50 Days |
| Package |
Cartons+Wooden Case/Pallet |
Inspection |
100% Visual Inspection |
| Surface Preparation |
Sand Blasting, Shot Blasting |
Surface Roughness |
Ra25 |
| Casting Tolerance |
'+/-1mm |
Standard |
GB |
| Certification |
ISO9001:2015 |
MOQ |
200 PCS |
| Specification |
OEM |
Trademark |
ZC |
| Origin |
China |
Production Capacity |
600tons/Month |
| R&D |
Softward: Solidworks, CAD, Procast, UG.Development cycle of samples: 30-40 days |
| Materials |
Gray Iron,Ductile Iron |
| Technical Parameter |
Part weight: 1kg to 50kgs |
| Max dimension : 500mm for diameter or length |
| Min wall thickness : 7mm |
| Tolerance of casting: CT8 |
| Surface treatment |
Sand Blasting, Shot Blasting |
| Inspection |
Endoscopy,Breinell Tester,Tensile Tester |
| Production capacity |
More than 600 tons per month |
| Quality Certificates |
ISO9001:2015 |
Founded in 2018, the company is an enterprise integrating product development, design, production and service, specializing in the production of high-strength gray iron or ductile iron castings for auto parts and hydraulic systems.
Advanced manufacturing products and customer reputation are the foundation and guarantee for the success of the enterprise. At present, the company′s main products including hydraulic steering gear, hydraulic motor, plunger pump, multi-way valve and other hydraulic components. The products are widely used in hydraulic transmission and hydraulic steering systems of excavators, tractors and other mechanical equipment covering all parts of the country. The products are sold randomly. To the United States, Russia and other regions.
Relying on its own powerful technology and perfect service system, Zhengcheng Technology has won the national high-tech enterprise, specialized and special new small and medium-sized enterprises in Shandong Province, small and medium-sized technological enterprises in Shandong Province, membership certificate of China Foundry Association, BV certification, AAA credit enterprise, etc. Honor, applied for and was approved 9 utility model patents and 6 software certificates, and passed the environmental management system certification, occupational health and safety management system certification, and quality management system certification.
Adhering to the business philosophy of "pursuing excellence, constantly surpassing, and striving to create high-quality, high-precision, and zero-defect products", in order to ensure the high reliability and advancement of products, the company insists on using high-quality raw materials and promises to eliminate the use of iron cutting or briquetting as raw material. With the development concept of "customer demand as the guide, technology improvement as the driving force, and customer satisfaction as the criterion.
The company has a complete inspection and test feedback system, equipped with advanced environmental protection automatic shell molding production line, coated sand production line, and the castings produced are qualified. The pass rate far exceeds the pass rate of peer products. The product quality is in the leading position in the industry and has been greatly recognized by customers.
Q1: What is our payment term?
A:T/T
Q2: How can we quote for you?
A: Please email us enquiry with all technical drawings you have, such as material grade, tolerance, mechanical properties, requirements, etc. Our specialized engineers will check and quote for you within 24 hours.
Q3: Which product are often processed by your company ?
A: Hydraulic motor parts,hydraulic steering gear part, gear pump part, plunger pump parts, valve body,multitandem valve
Q4: Which material are often used ?
A: Gray iron, ductile iron
Q5: Which finish you can provide ?
A:Sand blasting, shot blasting
Q6: What is the MOQ ?
A: Based on the product, normal 200 pcs.
Q7: Can we make the samples?
A: Sorry
Q8: How about for the lead time?
A: Normally about 40 days for mass production, pls inform us if it is urgent order.
Audited Supplier 
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