Qingdao Tianluping is Investment Casting Manufacturer from China

Machining tolerance: +-0.01-0.03mm, Surface Roughness: 6.4 Ra um/ 254 Ra uinches

We provide lost wax investment casting to produce stainless steel, carbon steel, alloy steel parts.

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There are hundreds investment casting factories located in different part of China. And most of them locates on the east coast of China from north to south. How to find the right factory for your item within a competitive price with good quality?

The answer is NO. It doesn’t mean that there are no good factories in China. However, isn’t too good to be true that your item comes with a good price with excellent quality?

This article will lead you to find an ideal factories which deliver high quality parts with less problem, reliable service, flexible lead time and reasonable price.

1. You may need to figure out what kind of item needed to be quota?

(1)It will save lots of time if you have the print with 3D drawing or the sample.

The drawing is one of inevitable factor required by quotation. The casting factory needs to know what kind of item will be cast under specific requirements. The complexity of design could directly affect estimation.

For some China investment casting manufacturers, they prefer to get the print and 3D drawing both without asking too much to buyers and the estimation would be more accurate to the final price.

If there is no drawing but sample, R&D could be able to make the drawing when they have the sample. Please notice that photo will not be helpful, which is not able to tell the size of the item and detailed dimension for each invisible corner.

(2) Material

When you are looking for material of metal parts, there are tons of choices. Different material carries various physical and chemical properties such as hardness, weight, corrosion and chemical reaction, etc. Some may works with a type of welding wire , some may not.

If you know have any clue about material, it would be easy to learn from Investment Casting factory by clarifying the application and requirement of quoted item.

In addition, investment casting(lost wax casting) involves stainless steel, carbon steel, and alloy steel. Die casting includes aluminum, zinc steel. Sand casting has carbon steel, cast iron, ductile iron and aluminum.

(3) Mechanical properties is supplement information.

For example, the item requires fine surface finish, anti rust, machining tolerance, heavy duty hardness, air tightness.

2. The tricks you might would like to know

Understand the application of your item could be helpful to reduce cost.

(1)Less requirement, less cost

As a buyer, you might need to discuss with engineers when price is higher than your target price, specially when the factory is the one of reliable choice.

  • Which part of the machining surface is non necessary?
  • Is it possible to enlarge the machining tolerance? (sophisticated machining tolerance cause high price.)

(2) Mass production can decrease the unit price.

Changing the process to a high production rate process such as stainless steel investment casting can save cost.

3. China Investment Casting Manufacturers List

Najing Best International CO.,LTD

Najing Best International CO.,LTD provides precision CNC machining parts, precision casting, precision stamping, cold heading and forging. At NBI, you could custom your parts, they have well-trained engineers to help customer turn conceptional drawing to finished products.

Dongying Changhui Precision Metal Co., Ltd

Dongying Changhui Precision Metal Co., Ltd is located in Dongying. Main products are marine hardware, valve, pipe fittings and machine parts. Their ISO9001 certified by TUEV and DIN50049/EN10204/3. The parts can be weight up to 80 kg. The customized part size range is 100mm tp 1000mm.

OLYM Metal Products Co., Ltd

OLYM Metal Products Co., Ltd. is located in Zhaoqing City, Guangdong Province. It was founded in 2001. OLYM is a specialized investment casting manufacturer with 120 staffs. Main customized products are transport tools parts, valve & pumps parts, machinery equipment parts and hardware accessories.

CFS Foundry

CFS Foundry is an experienced investment casting manufacturer that provide service of steel casting, iron casting, aluminum casting. They shares professional article about the industry regularly. The parts they provided involves agricultural wear parts, bucket teeth, railway castings, valve castings, pump castings, glass spider fittings, and container castings.

Changrui Investment Casting Co., Ltd

Changrui Investment Casting Co., Ltd is an experienced investment casting manufacturer in Dongying City, Shandong Province. Main products is auto parts, impeller, pump, heat treatment basket, coupling, and pipe fitting. The manufacturing sites is 38400 square meters. The month output of 80 tons.

Taiyuan SIMIS Precision Casting Co,.LTD

Taiyuan SIMIS Precision Casting Co,.LTD was found in 2003 in Taiyuan City, Shanxi Province. It has stainless steel and carbon steel investment casting. Meanwhile, it also provide copper and aluminum investment casting. Those casting parts are applied to automotive industry, railway, construction machinery and energy industry.

S.Derons Precision Casting Co.,Ltd

S.Derons Precision Casting Co.,Ltd. was founded in 2004 in Foshan City, Guang dong Province,China.Their mission is “Customer first,integrity,reputation, forge ahead,mutually beneficial win-win”. The main products are bathroom parts,construction hardware,all kinds of body,mechanical parts,food machinery parts. The annual output of 600 tons.

Renyi Casting

Renyi Casting was found in 2005 in Ningbo. It is a professional OEM casting manufacturer offering investment casting. 100% implement is guaranteed. Besides, it also has aluminum die casting and sand casting joint-venture foundries. Renyi obtains ISO 9001 viaNQA, a UKAS recognized auditor.

Dalian Zhonghao Precision Casting Co., Ltd.

Dalian Zhonghao Precision Casting Co., Ltd. Manufacturing site is 8,000 square meters in Dalian, Liaoning province. They have 5 casting molding engineers, 50 technicians and 70 employees. There are various material applied to different process such as low carbon steel, low alloy steel, heat resistant steel and stainless steel. In the technology aspect, the linear tolerance range is 0.125mm–25mm (0.005-0.1″) and castings surface roughness is 3.2-6.3microng. And the processing range is 5g to 120Kg, the maximum dimension can be processed is 1000*400*400mm.The main products are valves,pipes,water pumps, metal fittings, flanges,auto parts and furniture.

Ningbo Fly Engineering Machinery Co.,LTD

Ningbo Fly Engineering Machinery Co.,LTD was founded in 2005 Ningbo city,specializing in producing various kinds of investment casting parts. Products are applied to construction machinery manufacturing, agricultural equipment building, mining machine producing, transportation and production equipment. They have 268 staffs. The annual production capability is 20000 tons.

Nantong Fangding Precision Casting Co., Ltd.

Nantong Fangding Precision Casting Co., Ltd. covers an area of 25 acres. The company has a sound ISO9000-2000 quality management system,with complete foundry production, technology, and testing methods and strong product quality assurance capabilities. The main processes adopted by the company are intermediate frequency electric furnace smelting process, water glass shell manufacturing process, silica sol shell manufacturing process, silica sol + water glass composite shell manufacturing process.

The company adopts the leading technology investment casting process to produce various types of precision castings of stainless steel, alloy steel, ordinary carbon steel, and other materials, with more than 100 castings and an annual production capacity of more than 1,000 tons.

Address: Building 9, Zhongnan Hi-tech Industrial Park, Tongzhou Bay Demonstration Zone, Jiangsu Province


  • Lost wax investment casting
  • Silica Sol Casting

Ningbo Fenghua Huawei Precision Casting Co., Ltd.

Ningbo Fenghua Huawei Precision Casting Co., Ltd., founded in 1993, covers a total area of 40,000 square meters and has more than 400 employees.

The company has a newly built modern production plant of more than 30,000 square meters, several new energy-saving and environmentally friendly investment casting production lines, including a fully automated assembly line for wax and shell manufacturing processes, and two heat treatment production lines for mesh belt furnaces. The machining plant is set up at the headquarters of Longxing.

It has perfect advanced CNC machining equipment, including more than 20 vertical and horizontal machining centers and more than 30 CNC machine tools.

Address: Cao Village, Qiucun Town, Fenghua, Ningbo, Zhejiang


  • Mining and construction machinery accessories
  • Pipes and valves
  • Ship, railway, automobile and motorcycle accessories
  • Electromechanical and tool accessories
  • Machinery accessories

Jiangsu Dongshun Alloy Material Co., Ltd.

Jiangsu Dongshun Alloy Material Co., Ltd. was established in 2015 and covers an area of 20,000 square meters, with a current construction area of 8,500 square meters. The company specializes in precision castings and mechanical processing of silica sol technology (or lost-wax process, investment process).

Has extensive experience in developing a variety of alloy materials, can produce a complex precision casting of a few grams to more than 200 kilograms, designed to produce 2,000 tons per year, can produce all kinds of stainless steel. Castings of various materials such as carbon steel, alloy steel, wear-resistant cast iron, high-temperature alloy, etc.

The company has a complete set of vacuum melting equipment, which can produce nickel-based alloys, drill-based alloys, and other special alloy materials castings.

Address: No. 6-3, Weiba Road, Economic Development Zone, Dongtai City, Jiangsu Province


  • Lost wax investment casting
  • Precision casting

Cixi Precision Casting Co., Ltd.

Cixi Precision Casting Co., Ltd. covers an area of 15,000 square meters and a building area of 10,000 square meters. In 1996, it became the designated manufacturer of Japanese KITZ company, relying on Japanese management technology, and specialized in producing difficult and demanding precision castings and finishing.

The main production materials are stainless steel, stainless iron, steel castings, alloy steel, special alloy steel, high nickel alloy ductile iron, ductile iron, etc. It has three production lines of silica sol process, composite process, and water glass process, and is equipped with processing center and Full CNC precision machining equipment, producing all kinds of precision machining hardware.

Address: No. 2439, Gongju North Road, Cixi City, Ningbo, Zhejiang


  • Stainless steel series
  • Stainless iron series
  • Alloy series
  • Ductile iron series
  • Carbon steel series

Ningbo Longxing Machinery Manufacturing Factory

Ningbo Longxing Machinery Manufacturing Factory, founded in 1993, covers a total area of about 40,000 square meters. Investment casting products are widely used, covering almost the applicable fields of most equipment manufacturing and machinery manufacturing processing industries.

Our products are mainly used in trains, trucks, engineering machinery, mining machinery, forklifts, agricultural machinery, shipbuilding, petroleum machinery, construction, pumps and valves, electromechanical, hardware tools, electrical equipment, and other industries. We have developed and produced various grades of ordinary carbon steel and alloy steel series with more than 100 specifications and more than 5000 product varieties.

Be able to skillfully implement the relevant material standards of various countries and some industries such as national standard GB, American standard ASTM, AISI, German standard DIN, European standard EN, Japanese standard JIS, British standard BS, Australian standard AS, American railway standard AAR.

Address: No. 2086 Ningheng South Road, Hengxi Town, Yinzhou District, Ningbo City, Zhejiang Province


  • Mining and construction machinery accessories
  • Pipes and valves
  • Ship, railway, automobile and motorcycle accessories
  • Electromechanical and tool accessories
  • Machinery accessories

Zhengzhou Yusheng Casting Co., Ltd.

Zhengzhou Yusheng Casting Co., Ltd. was established in 1995. The production area covers an area of more than 15,000 square meters. It has 5 casting workshops and 1 machining workshop. Now it has a new V-method production line. The company’s main production equipment: 6 sets of intermediate frequency induction furnaces, 5 heat treatment furnaces, a lost foam casting production line, and a V method casting production line.

Quality testing equipment: one NCS750B precision direct reading spark spectrometer, one DK7735B wire cutting machine, one XJP-20 metallographic microscope, one JB-300B impact test machine, one TH140 Leeb hardness tester, one chemical analysis device set. Its annual production is more than 8,000 tons of wear-resistant castings.

Address: Dugou Industrial Park, Xiaoguan Town, Gongyi City, Henan Province, China


  • High manganese steel castings
  • Alloy steel casting
  • High and low chromium castings

Weichuang Hardware / Dongwang Precision Casting Company

Weichuang Hardware / Dongwang Precision Casting Company has a construction area of 5,000 square meters, an investment of 15 million yuan, and a production scale of 100 tons of precision castings per month.

The products are mainly cast brass and aluminum alloy, 304, 316, 420, 430, 202, 201, 17-4 and other stainless steel precision castings and all kinds of ordinary carbon steel, and all kinds of alloy steel castings such as jewelry, watch case hardware, power tool hardware, construction hardware, equipment spare parts hardware, electroplating hanging hardware, living appliances hardware, auto parts hardware, etc.

It has the ability to produce and ship finished products from mold design, production, and precision casting to subsequent machining and heat treatment.

Address: Weigang, Baotang Xinwang Industrial Zone, Houjie, Dongguan


  • Precision casting
  • Machinery Parts
  • Building hardware
  • Valve fittings
  • Table embryo series