ZLT International specialized in pump spare part, pump bowls, ANSI pump spare parts, impeller, suction bowl, mining equipments and machining components according to customers' drawings or samples.
*Professional castings manufacture
* Rich OEM castings service experience
* 200 Square meters machining shop
* Samples can be send firstly for customer's testing
2. Castings based on customer's drawings
| Product | OME castings |
| Material | SS316, SS304, CD4,Tianium,carbon steel ,alloy steel ,etc |
| Manufacturing process | Lost wax castings/sand casting |
| Certificate | GB/T 19001-2008/ ISO 9001:2008 |
| Weight range | Few grams to 100 kgs by lost wax casting , 10 tons by sand casting |
| Payment terms | T/T, L/C |
| Export port | Qingdao |
| Referece | 2D/3D, 100% as per drawings |
3. Manufacture Craft and Process:
| Caft | Clarify | Process | Material |
| Lost foam Casting | moulding | Stainless steel, carbon steel, low alloy, high chrom, cas iron, bronze, ductile iron brass, etc. | |
| pouring | |||
| machining | |||
| testing | |||
| Sand Casting | resin sand | moulding | Stainless steel, carbon steel, low alloy, high chrom, cas iron, bronze, ductile iron brass, etc. |
| pouring | |||
| silicate bonded sand | machining | ||
| testing | |||
| Lost wax Casting | waterglass bonded sand | moulding | Stainless steel, carbon steel, low alloy, high chrom, cas iron, bronze, ductile iron brass, etc. |
| silicon colloidal | pouring | ||
| composite shell | machining |

4. Production - Sand casting

Other pictures :

Caft | Clarify | Process | Material |
| Lost Wax Casting | silicon colloidal | moulding | Stainless steel, carbon steel, low alloy, high chrom, cas iron, bronze, ductile iron brass, etc. |
| pouring | |||
| waterglass bonded | machining | ||
| testing | |||
| Sand Casting | resin sand craft | moulding | Stainless steel, carbon steel, low alloy, high chrom, cas iron, bronze, ductile iron brass, etc. |
| pouring | |||
| silicate bonded sand craft | machining | ||
| testing | |||
| Lost Foam Casting | moulding | Stainless steel, carbon steel, low alloy, high chrom, cas iron, bronze, |
Testing :

* Zibo Qingdong machinery had been engaged in Casting and Machining industry for more than 10 years.
*The whole production cycle is monitored by our Quality Management System ISO 9001:2008 certified.
* We now supply all forms of casting parts and cnc machining parts: lost wax investment casting, sand casting, and cnc machining services.
* Rich OEM service experience.
* Our products has been sold to more than 30 countries, we are very familiar with the whole markets, expecially for Europe, North America,Australia and Canada markets.
* Our Commitment & Responsiblity:
1.Competitive Price
2.Strict Quality Control
3.Quick Response To Any Inquires,Complaint,Technical Problem,etc
4.Timely Delivery
5.Small Quantity Acceptable
6. Exhibition :

7.Certificate :

* Please kindly send us your drawing ,quantity ,we will quote in about 2 days .
If any question, please kindly contact with us.
Our web:zltgroup.en.made-in-china.com








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