Specifications

precision casting
1.Best price
2.Professional service
3.Materials: iron ,steel ,alloy
4. ISO 9001 quality control

precision  casting

Material:  iron, gray iron, ductile iron, steel, stainless stee,l carbon steel, alloy

Process:  sand casting ,investment casting ,die casting and so on

Standard:  GB ,ASTM ,DIN ,JIS

Weight range: 5g-20ton

Casting process: client drawings-pattern-raw casting-maching-packing and delivery

Quality control:

(1) Machinery properties and Chemical components testing after raw casting

(2)Hardness checking after heat treatment

(3)Dimensions testing after maching

Service

drawings -mould making→raw casting→sandblasting→rough machining or finish machining→surface treatment→packing→delivery

drawings

1.Confidentiality 

2.Check 

3.Control 

4.Confirmation

Mould making

1. Choose the suitable pattern shop according to production tracking form.

2. The inspector will track the quality and duration of the pattern making process according to the production tracking form.

3. After inspection the inspector will send the test reports and photos to our customers.

4. After pattern approval we will make the first sample.

5. We will inspect the dimensions and material according to the drawings’ requirements, meanwhile we will send the relevant test reports and photos to our customers.

Raw casting

1. Production plan will be made according to the production tracking form.

2. During production process, we use advanced inspection equipments, to ensure internal quality of the product. The inspectors will track the quality and duration according to the production tracking form. The inspectors will feedback the problems of the quality and process, and improve quality gradually.

3. We will check the test bar and record relevant information to each bulk.

4. We will send the photos and test data of each step to customers and let them to know the status of their products.

Maching

1. We will produce the samples according to the confirmed casting process.

2. We will send the test reports and photos to our customers after checking.

3. We will train the relevant staff before producing according to the machining and inspection process.

4. We will do the production based on the production tracking table after the sample being approved.

5. The inspector should track the quality and time of the products during the producing. Any problems on quality and process must be feedback to our customers. Send the producing status and photos to the customers in time.

6. Do the finial inspections to the products and send the relevant data and finished products’ photos to the customers.

Packing and delivery

1. Determine the size & material of the box according to the shape & number of products.

2. Taking different anti-rust protection to products according the delivery time. Such as antirust, oil or according to customers’ requirements.

3. Taking measures to prevent fragile based on different products.

4. Putting dimensional reports, chemical & mechanical documents, test bar and photos into the packing box.

5. Sending the photos of whole packing process to customers.

6. Sending the feedback table to customers after delivery. Because we hope customers could give us reasonable suggestions, in order to improve the quality of our products gradually.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

      We are manufacture which focus on sand castings and machining with the material gray iron, ductile iron and steel located in Dandong China. We mainly produce pump parts, valve parts, cylinder parts, tractor parts, lathe body, furnace parts and so on. We have 13 cooperation manufactures.we have capability to meet the needs of our customers one-stop shopping. Products classified by usage including: paper machinery, packing machinery , agricultural machinery , auto parts, the train’s brake components, mechanical seals, pump and vavle series, instrumentation and watches. Our patent products-agricultural tractors sell well in the northeast of China.Our castings were sold to the Europe,America and Asia.We establish long business relationship with our customers in different countries.

Casting process	Materail
Investment casting	ASTMA148class80-40,  ASTMA148Class80-50 A572GR60,  AISI316 stainless steel, ST52, S355, GS-52.3,  ASTMA48Class30B CK45, 1.7218-25CrMo4
Sand casting	GGG50,GGG30, ASTMA48 class25B,  42CrMo4, C22 ductile iron 65-45-12,  AlCuMgpbF34, EN-JIS-500-7 EN1563 ,  EN10293-GE300 HT200, DIN17205-GS-25CrMo4
Die casting	C1040 ,Alsi12

 

Address: No.38,Qian Yang Economic Development Zone, Dandong, China

Tel: 0086-415-7816585

Fax: 0086-415-7817585

Doris