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Shaanxi Rongbao Machinery and Electronics Co.,Ltd.
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Durable High Strength Precision Steel Casting Cast Steel Valve ISO9001

China Shaanxi Rongbao Machinery and Electronics Co.,Ltd. certification
The shipments were on time, sales were thoughtful, and they had cooperated for many years and established a good cooperative relationship.

—— Engineer Zhang

The quality is in line with the sample requirements. The company's employees are very responsible for their own affairs.

—— Edgerton

How nice a training in China.

—— Richard

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Durable High Strength Precision Steel Casting Cast Steel Valve ISO9001

Durable High Strength Precision Steel Casting Cast Steel Valve ISO9001
Durable High Strength Precision Steel Casting Cast Steel Valve ISO9001

Large Image :  Durable High Strength Precision Steel Casting Cast Steel Valve ISO9001

Product Details:

Place of Origin: Xi'an, China
Brand Name: Rongbao
Certification: ISO9001:2015
Model Number: OEM

Payment & Shipping Terms:

Minimum Order Quantity: 100Pcs
Price: Negotiable
Packaging Details: EPE foam + Bubble wrap + Carton + Wooden box
Delivery Time: 20~30 workdays
Payment Terms: L/C, T/T
Supply Ability: 10,000 tons per year
Detailed Product Description
Item: Cast Steel Product Material: Steel
Process: Investment Casting Mould: Required
Dimensions: Customized Sizes Service: OEM Service
High Light:

investment casting parts


precision metal casting

Custom Steel Precision Casting Mould Required Cast Steel Valve


Product Description

Material Cast Steel
Casting Process Precision Casting
Inspections Based on finished drawings
Minimum Order Quality 100Pcs
Tooling & Samples  about 30days after getting order
Payment Terms

of mold: 50% advance payment, 50% after sample approval.

of mass production: 50% advance payment, 50% before delivery



Manufacturing Process

Wax---Repair wax----Wax inspection----Group tree (wax module tree)---Shell (first paste, sand, re-slurry, finally mold drying)--- Dewaxing (steam dewaxing)-------Mould roasting--chemical analysis--casting (casting molten steel in the mold shell)----vibration shelling---separation of casting and pouring rods- ---Grinding gate---Initial inspection (hairy inspection)---Blasting shot-----Machining-----Polishing---Finishing inspection---Warehousing
The casting production process is generally such that it can be divided into wax, shell, casting, post-treatment, and inspection.
Pressure wax includes (pressure wax, wax repair, group tree)
Wax---Use wax machine to make wax mold
Repair wax---correct the wax mold
Group tree---group the wax mold
The shell includes (hanging sand, hanging pulp, air drying)
Casting includes (baking, chemical analysis, also called spectroscopy, casting, shock shell, gate, gate)
Post-treatment includes (blasting, shot blasting, correction, pickling)
Inspection includes (wax inspection, initial inspection, intermediate inspection, finished product inspection)



Requesting a Quote

1. Customers send drawings or samples for quotation, such as 2D drawing (.dwg / .pdf) and 3D drawing (.igs / .stp) and provides information such as material, weight and required quantity.

2. Engineers carefully check the drawings to provide a specific manufacturing plan. The quotation will include mold cost, product manufacturing price, packaging and shipping costs.

3. After the two parties have no objection to the price, the customer places an order and signs the contract.

4. After the advance payment, the mold and sample are produced.

5. The customer confirms the sample.

6. After the sample is confirmed, mass production is started.

7. After the finished product is produced, it will be packaged and transported after testing.


• Drawings and specifications:

including but not limited to material, dimensional tolerance, machining requirements, actual or estimated weight and inspection requirements.
•​ Material: a specific metal grade or the preferred material and desired properties.
•​ Quantity: Include the anticipated volume, both present and future. Quantity has a large influence over production method, pattern development, and overall cost.

•​ Quality acceptance criteria: Non-standard inspection requirements increase the cost of casting.



Quality Control

Detailed quality control during manufacturing:

Material supply Ensure material specifications and chemical composition are correct. Material certification for each batch of material.
Equipment maintenance Processing equipment maintenance: regular inspection, tracking records
Processing process

Set a job description chart for each part.

Check the production process and updated drawing issues before processing.

Packing and assembly According to custom requirements, including labels, cartons, trays, etc.



Contact Details
Shaanxi Rongbao Machinery and Electronics Co.,Ltd.

Contact Person: lipeng

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