Welcome to Zibo ZLT International who was established in 2006, and Graded as TOP A company in Chinese Customs Classification Management which means the highest reputation and trustful company for exporting, and whose factory is ZIBO QINGDONG MACHINERY MANUFACTURING CO., LTD specialized in castings and machining parts according to customers'drawings or samples in Zibo City, Shandong Province, China.
The castings are mainly made by Lost wax casting, Sand casting, Lost foam casting with the material stainless steel, carbon steel, alloy steel, iron and so on.
The machining parts can be made in our own machining shop. Many advanced equipments such as CNC lathe, CNC cutting machine, miller and so on controlled by experienced workers and extremely strict inspection that will absolutely ensure the high quality products released from our company.
|Product||Petroleum Equipment Oil Well Pumping Jack with Lost Foam Casting|
|Material||SS316, SS304, CD4,Tianium|
|Manufacturing process||lost foam casting|
|Certificate||BV certificate, ISO 9001:2008|
|Weight range||10 grams by lost wax casting, the largest weight can be made up to 10t/pc or as per customer ' s requirements|
|Payment terms||T/T, L/C|
|Machining||CNC Lathe, Universal Lathe, CNC Cutting Machine, Dynamic Balancing Machine|
|Testing||hydro test, dynamic balancing, hardness test, ultrasonic test etc.|
|Annual Capacity||The maximum production capacity could be 10, 000 tons per year, with a single piece up to 100 tons, the smallest part only a few grams by lost wax casting, the largest weight can be made up to 10t/pc.|
|Size||As per 100% drawing|
|Investment casting||waterglass bonded||Stainless Steel, Carbon Steel, Special Alloy Steel Bronze, Brass|
|Sand casting||silicate bonded sand||Grey Iron, Ductile Iron, Malleable Iron, Stanless Steel, Carbon, Steel, Brass, Bronze|
|Forging||Hammer Forging||Stainless Steel, Carbon Steel, Alloy Streel, Brass|
|Machining||CNC Lathe,CNC cutting||All material|
Equipment and Testing:
CNC Lathe, Universal Lathe, CNC Cutting Machine, Dynamic Balancing Machine, roughness tester, three coordinate instrument, hydro test, PT test, metallographic, spectrameter, hardness tester.
Certificate: ISO9001-2008 BV vertificate
1.Generally use poly wooden crates for package.
2.For the very big part, use welding steel crate. The size and steel thickness is according to the product dimension and weight.
3.Large size and large quantity part, put into container directly.
4.We also consider customers' special needs for packing.