High-Quality Precision Casting Products From Reliable OEM Factory

Product Description

Company Profile

Ningbo Suijin machinery Technology Co,.Ltd

SJ-Machinery is a professional manufacturer based in Ningbo, China, specializing in providing integrated one-stopsolutions for casting and CNC machining components. We offer two types of casting production lines: lost wax casting and water glass casting, the latter being a cost-effective alternative.

Our capabilities cover a wide range of materials, including stainless steel, carbon steel, alloy steel and more.

in addition, we provide sand casting parts to accommodate diverse customer requirements, with materials such as grayiron, ductile iron, and steel.
 
ADVANTAGES
 • More than 10 years experience on casting and machining
 • Advanced inspection equipment to ensure the tolerance
 • Flexible PO QTY to meet customer demand
 • Professional engineers in casting and machining
 • Competitive price and exllent parts quality
 • Nearby Ningbo port, on-time delivery

PROCESS FLOW

OEM&ODM SERVICE

OEM&ODM SERVICE

Ningbo suijin machinery technology can provide the ODM&OEM service for customer, and main is ODM, we can manufacturing the customized parts according to 2D&3D, we have professional R&D team can take part in ealier development phase of the project.

SURFACE TREATMENT OPTION

AVALIABLE MATERIA & SURFACE TREATMENT
Avaliable Material
Carbon Steel	Alloy Steel	High Chromium Cast Iron	Low carbon steel
Stainless Steel	Duplex Stainless Steel	Steel bar	Ductile Cast Iron
Surface treatment
Heat Treatment	Zinc Coating	Blackening	Mirror Polishing
Satin Polishing	Electrolytic Polishing	Shot Peening	DACROMET

ADVANCED EQUIPMENT

Magnetic defect inspection	Spectrometer	HB hardness inspection	Mechanical inspection
Ultrasonic defect inspection	Roughness tester	HR hardness inspection	CMM inspection
Metallographic detector	X-ray inspection	Dye penetrant inspection	100% Thread inspection

PRODUCT APPLICATION

Automotive

 • Exhaust inlet/outlet cone                                 • Shift sleeve                                      • Fuel rail bracket  
 • Tempreture sensor boss                                  • Mounting Brackets                         • Oxygen sensor boss 
 • Brake balance block                                         • EGR sensor boss                             • Exhaust valve body

ARCHITECTURAL HARDWARE

 • Mounting Base                                • Mounting plate                                                   • Bearing Covers   
 • Coupling                                          • Grount sleeve                                                       • Sprockets
 • Handle                                             • law glass curtain wall accessories                   • Side Plates        

AGRICULTURAL MACHINERY PARTS

 • Tooth Blocks                                         • Track shoes                                               • Bucket Teeth   
 • Track Links                                            • Clamping                                                    • Mounting Brackets
 • Lifting Eyes                                            • Quick Joint                                                 • Trencher Tooth     

MARINE HARDWARE

 • Star handle                                                 • Door hinge                                             • Folding Dock Cleat   
 • Mirror Polished Mooring                          • Hollow base boat rope cleat               • Mounting Brackets

VALVE/PUMP

 • Valve body                                   • Explosion-proof valves                              • Pipe fitting           

Certifications

 Honor Wall

This area is our company Honor Wall.
 It collects all major honors we have earned during our development.

Currently we have been certificated with ISO9001, IATF16949, and High-tech Enterprise, Green Factory and so on.

On display here include quality management system certifications, industry outstanding enterprise awards, excellent supplier certificates, technological innovation honors and customer recognition trophies.

As a professional mechanical processing manufacturer, we focus on precision parts processing, custom machining and production control. All these honors fully reflect our strict quality control, advanced processing technology and stable delivery capability.

They are not only glorious achievements of the past, but also motivation for us to keep improving. We will continue to uphold high standards and provide reliable, high-quality mechanical processing products and services for every partner.

FAQ

Q1	Are you factory or trading company?
A1	We are factory located in Ningbo city, China
Q2	What kinds of language is avaliable?
A2	English, Chinese, except email cummunication, we are ok with video meeting and calling.
Q3	How should I place an order?
A3	We are receive the PO and production drawing by email.
Q4	Which shipping methed is ok for you?
A4	Normally shipping by sea and train is use for mass production order delivery. DHL,TNT,FedEx, UPS,EMS air shipment is use for sample delivery.
Q5	How can I contact you?
A5	You can contact us by email, and also we can chat by Skype, Teams, WhatsApp, Facebook.
Q6	What kinds of drawing format can be use?
A6	PRO/E, Auto CAD, Solid Works, IGS, UG, CAD/CAM/CAE, STEP.
Q7	Which packing material do you use for sea shipping?
A7	For sea shipping, we will packaging with European standard wooden pallet. The parts will packing with PE bag inside the carton box.
Q8	How do you deal with the RFQ?
A8	Sales receiving the RFQ---Feasiblity study meeting with R&D engineer---Feed back technical issues with Customer---Sales quoted