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 | Long Stroke Balanced Beam Petroleum Pump Jack/Pumping Unit in Cast Iron |
Manufacturing process | lost wax 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. |
Process | moulding pouring machining testing |
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 |
Process | Material | |
Investment casting | waterglass bonded | Stainless Steel, Carbon Steel, Special Alloy Steel Bronze, Brass |
silicon colloidal | ||
Sand casting | silicate bonded sand | Grey Iron, Ductile Iron, Malleable Iron, Stanless Steel, Carbon, Steel, Brass, Bronze |
resin sand | ||
composite shell | ||
Forging | Hammer Forging | Stainless Steel, Carbon Steel, Alloy Streel, Brass |
Die Forging | ||
Roll Forging | ||
Machining | CNC Lathe,CNC cutting | All material |
Stamping | Stamping | All material |