China OEM Stainless Steel Door Window Hinge

Lost wax cast product
1. Material
Carbon steel: AISI 1020, AISI 1035, AISI 1045, GrD( Q235), Gr50 ( Q 345)
Alloy Steel: AISI 1053, AISI A387Cr. 12, 20CrMo, AISI 4137, AISI 4140, AISI 4340, AISI 431, 20 CrMnMo
Stainless steel: ASTM 304, ASTM 304L, ASTM 316, ASTM 316L
2. Process: Precision casting and machining
3. Tolerance: +/-0.01mm.
4. Many years exporting experience
5. The Machining process: Casting semifinished product- Hardening and tempering-Testing-Machining-Checking-Packing.
6, Quality Control:
Our company have a large number of the Quality Control Engineers, and we also have a lot of high precision testing equipment. Such as: Three coordinate measuring system, spectrograph, Optical Brinell hardness tester, tensile testing machine, air-gauge, Dial bore gauges, Inside Micrometer etc.
7, Our advantage:
Advantages:
1). We have won the certificate of ISO9001: 2008.
2). We are one factory, we can produce the casting by ourselves. The material covers cast iron, carbon steel, stainless steel and forging
3). Our strong R&D and QC department can control the products to meet your strict requirement.
4). We can provide OEM and ODM service. Customized order is available.
5). 15years exporting experience. Our strong R&D and QC department can control the products to meet your strict requirement.
6). Excellent and professional service:
8, Our promise:
1). The delivery time and the package can be controled according to the customers' requirement completely.
2). We will produce the products seriously according to the drawings, and make sure all the products is suitable for the custoners.
3). We will communicate with the customers all the time about the products, we will send the pictures to the customers, so that they can know the Processing process

ROCESS
MATERIAL
STANDARD
SAND CASTING
Green Sand
Grey Iron, Ductile Iron, Malleable Iron, Stainless Steel, Carbon Steel, Aluminium, Brass, Bronze
AISI
ASTM
DIN
GB
BS
JIS
NF
AAR
Furan Resin Sand
Cold Harden Resin Sand
INVESTMENT CASTING
Sodium Silicone
(Water Glass)
Stainless Steel, Carbon Steel, Special Alloy Steel, Bronze, Brass, Aluminium
Silica Sol
FORGING
Hammer Forging
Stainless Steel, Carbon Steel, Alloy Steel, Brass, Aluminium
Die Forging
Roll Forging
STAMPING MACHINING
All metal Material