China injection molding companies

Sino Holdings group is one of China injection molding companies, offering all kinds of custom plastic molding service. We own ourselves injection workshop, dustless mass production workshop. We own the injection molding machine from 50Ton~2800Ton in our injection workshop, would satisfied the requirements of any products production.

Sino as the leading of China injection molding companies, We supplied one-stop service of part injection molding. Sino invested huge amount on plastic molding service equipments and also has strong injection molding technologies, offer you the excellent injection moulding solutions with precise injection moulding equipments.

 

The processing of plastic molding service is from the plastic parts’ design to molded plastic components surface treatment and packaging for delivery.

Injection molding processing

PLASTIC PARTS DESIGN→PLASTIC PARTS MOLDING ANALYSIS→PLASTIC MOLDS DESIGN→PLASTIC MOLDS MANUFACTURING→PLASTIC PARTS DIMENSION CHECKING→PLASTIC PARTS QC→MOLDED PLASTIC PARTS SURFACE TREATMENT→FINISHED PLASTIC COMPONENTS PACKAGING & SHIPMENT.

Sino Holdings group as the famous China injection molding companies; we supplied plastic molding as following:

1. Home appliance molding

2. Syringe molding

3. Foldable crate molding

4. Packaging molding

5. Mobile phone molding

6. Medical injection molding

Injection Molding QC standard:

1. Product dimension Quality control: - It is very important for us control each product dimension during each shot samples. By general inspection and measuring, pass the qualified ones, and trash the production rejects. Checking gauge will also help the strict dimension controlled parts.

2. Appearance and color inspection: - Color Quality control is strictly controlled during injection molding processing and also specially after recharge of material and master batch. Panton color data stock and standard color dozer helps control a good color quality.

Appearance Quality control: there should be no eject white, no flash, no burrs, fine finish texture and polish, find parting finish, no silver line of material, no melting line on molded parts and so on after long term working of molds condition.

QC manager check the color and finish every certain hours.

3. Weight control & Package QC. - QC manager checking the package by sample survey every certain hour.

4. Processing QC. :  The handling and process is also under QC control. Workshop will be tidied and sterilize every certain hours.

5. Special standard item QC System - Our QC certificate is TS16949 QC standard, FDA standard, ISO 9000:2001

6. Lab QC inspection and certification. Welcome to contact with us for custom plastic molding service.