Product Information:

Company Profile:
Our factory, Zibo Qingdong Machinery Manufacturing Co., Ltd, has been certified by Bureau Veritas for ISO 9001:2008. The export division, Zibo ZLT International Trade Co., Ltd, is recognized as a TOP A company in China’s Customs Classification Management system, ensuring the highest level of credibility and reliability for international trade.
We specialize in lost wax casting, sand casting, and lost foam casting. Our products include counterweight iron, pump components, diffusers, and mining equipment spare parts (such as shafts). These are exported to countries like the USA, Canada, Sweden, Israel, Hungary, Guyana, Mexico, South Korea, Indonesia, and more, earning us a strong reputation globally.
Our annual production value exceeds nine million USD. We focus on quality, precision, and timely delivery to meet our customers' needs. Manufacturing Process:

Exhibitions:
Participated in exhibitions such as South America Exhibition and Hannover Exhibition.

Certifications:
ISO 9001:2008, BV Certification, etc.

Packing Methods:

Delivery: 30 days after order confirmation.
Product Name | CNC Machined Stainless Steel Casting Parts |
Material | Stainless Steel, Carbon Steel, Alloy Steel, etc. |
Material Grade | GB, ASTM, AISI, DIN, BS, JIS, NF |
Process | CNC Machining, Auto Lathe Machining, Meter Lathe Machining, Wire Cutting, EDM Cutting, Grinding, Milling, Drilling, Screwing, Cutting, Stamping |
Tolerance | CT-9 +/– 0.005mm |
Surface Treatment | Blacking, Polishing, Anodizing, Chrome Plating, Zinc Plating, Nickel Plating or as per customer requirements. |
Inspection | 3D Coordinate Measuring Machine, Hardness Tester, Roughness Tester, Caliper, etc. |
Company Certificate | GB/T 19001-2008, ISO 9001:2008; BV Certification. Our export department is rated as TOP A company in Chinese Customs Classification Management, indicating the highest level of trust and reputation for exporting. |
Packing | 1. Small parts are individually packed, then placed into paper cartons and finally into crates. 2. Poly wooden crates suitable for sea shipping. 3. Welded steel crates for large parts, with dimensions and thickness based on product size and weight. 4. Custom packaging options available upon request. |
Delivery | 30 days after receiving a deposit. |
Payment | 50% TT in advance, balance paid against a copy of the B/L. |

Company Profile:
Our factory, Zibo Qingdong Machinery Manufacturing Co., Ltd, has been certified by Bureau Veritas for ISO 9001:2008. The export division, Zibo ZLT International Trade Co., Ltd, is recognized as a TOP A company in China’s Customs Classification Management system, ensuring the highest level of credibility and reliability for international trade.
We specialize in lost wax casting, sand casting, and lost foam casting. Our products include counterweight iron, pump components, diffusers, and mining equipment spare parts (such as shafts). These are exported to countries like the USA, Canada, Sweden, Israel, Hungary, Guyana, Mexico, South Korea, Indonesia, and more, earning us a strong reputation globally.
Our annual production value exceeds nine million USD. We focus on quality, precision, and timely delivery to meet our customers' needs. Manufacturing Process:
Craft | Clarify | Process | Material |
Lost Wax Casting | Silicon Colloidal | Moulding | Stainless Steel, Carbon Steel, Titanium Alloy, High Chrome, Cast Iron, Bronze, Ductile Iron, Brass, etc. |
Pouring | |||
Waterglass Bonded | Machining | ||
Testing | |||
Sand Casting | Resin Sand Craft | Moulding | Stainless Steel, Carbon Steel, Titanium Alloy, High Chrome, Cast Iron, Bronze, Ductile Iron, Brass, etc. |
Pouring | |||
Silicate Bonded Sand Craft | Machining | ||
Testing | |||
Composite Shell | Â | Â | |
Lost Foam Casting | Â | Moulding | Stainless Steel, Carbon Steel, Titanium Alloy, High Chrome, Cast Iron, Bronze, Ductile Iron, Brass, etc. |
Pouring | |||
Machining | |||
Testing |

Exhibitions:
Participated in exhibitions such as South America Exhibition and Hannover Exhibition.

Certifications:
ISO 9001:2008, BV Certification, etc.

Packing Methods:
Packing Methods | |||||||||
Small parts are individually packaged, then placed into paper cartons and finally into crates. | |||||||||
1. Generally, poly wooden crates are used for packaging. | |||||||||
Minimum poly wooden board thickness: 20mm | |||||||||
Steel band: 19 × 0.5mm or 15 × 0.5mm | |||||||||
Common crate size is less than 1200 x 1000 x 1000 mm. | |||||||||
2. For very large parts, welded steel crates are used. Dimensions and thickness are determined by product size and weight. | |||||||||
3. Large-sized and high-volume parts can be directly loaded into containers. | |||||||||
4. Custom packaging solutions are also available upon customer request. |

Delivery: 30 days after order confirmation.
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