Dong Ying Kelin Precision Metal Co., Ltd

No. 12, Lin Qing Rd, Industrial Park, 257000 Dong Ying City, Shandong
Telephone +86 546 8180577
Fax +86 546 7777618


Hall map

NEWCAST 2015 hall map (Hall 14): stand A52-9

Fairground map

NEWCAST 2015 fairground map: Hall 14


Hao(Vincent) Luo

Department head/group leader
Marketing, sales, advertising, PR

No. 12, Lin Qing Rd
257000 Dong Ying City, Shandong, China

+86 546 8180577

+86 546 7777618


Our range of products

Product categories

  • 01  Ferrous castings - Iron, steel and malleable foundries
  • 01.02  Production processes
  • 01.02.004  Investment casting

Investment casting

Our products

Product category: Investment casting


1.Product Category

1) Pump Components                                                                                                                        

  • Pump Housing &  Cover, 
  • Connect Flange, Pump Impeller


2) Valve Components

  • Flow Valve, Ball Valve, Butterfly Valve
  • Valve Housing and Cover


3) Machinery Parts

  • Bearing Housing,
  • Textile Machinery Parts,
  • Food Machinery Parts,
  • Petroleum Machinery Parts etc

4) Architectural Hardware

  • Stainless Steel Glass Clamps,
  • Stainless Glass Fencing Spigots Hinges,
  • Foot Rail Bracket
  • Spider Fitting

5) Pipe Fittings

  • Stainless Steel 90 degree Elbow, Stainless Steel Thread Fittings 2"
  • Stainless Steel Thread Fittings1/ 2"-1",Stainless steel thread nipples,
  • Stainless steel unioN                            

2. Material as per DIN, EN, ISO, ASTM, BS, JCSI

1)Alloy steel(1.6781,1.4317,1.4405,1.4931)

2)stainless steel(eg:1.4308,1.4408,1.4581,1.552,1.4859)

3)carbon steel (1.0619)                                                         

3. Delivery Time

1)Tooling and Sampling: 4-5 weeks

2) Series Batch Production:4-6 weeks.

4.Technical Specifications

1) Weight& Dimensions

  • Unit weight per piece from 5g to 50kg. Dimensions Max. 500 x 500 x 500 mm.



  • Investment Casting: According to ISO8602 CT6 or VDG P690 Grade D2
  • CNC Machining: Precise to 0.02 mm and less.


 3)Surface Roughness

  • Investment Casting: Ra 3.2-Ra 6.3
  • Machining: Ra 0.8-Ra3.2
  • Vibration grinding Ra 3.2


4) Production Volume

  • Investment Casting: 60 Tons Monthly
  • CNC Machining: 120000 Pieces Monthly
  • Surface Treatment: 150000 pieces Monthly,Monthly Polishing Capacity 40 Tons.


5) Surface treatment:

  • Mirror-Polishing, Satin-Polishing, Internal Polishing Treatment For Fliud Equipments & Machinery
  • Hot-dip galvanized
  • Cr6 free Plating
  • Glass bead & sand blasting, 
  • Priming
  • Electro- polishing
  • Pickling
  • Passivate
  • Vibratio  Grinding
  • Salt  spray test


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About us

Company details


Dongying Kelin Precision Metal Co.,Ltd

A professional OEM&ODM manufacturer for non-standard precision parts using silica sol investment casting process.


  • 2005


  • Dongying City,Shandong Province, China
  • Halfway between Beijing And Shanghai
  • Very Close to Qingdao Port

Company Facilities Boasting Full-Process Control

  • 4 Fully-owned and In-house operated Factories:  A tooling factory,A Precision Casting Foundry, A Precision Machining and Surface Treatment Factory
  • Equipments: Seen Below for downloading Equipment List

Main product categories:

  • Machinery Parts( Food-processing,/Textile and Petro-chemical machinery etc) .
  • Stainless Steel Marine/Architectural Hardware,
  • Pump &Valve Components (CE/PED Certified)
  • Instrument Parts, Lock Fittings etc.

Quality Control:

  • 4 Quality Control Check-points 
  • Each of them oversees product quality and inspection at our Tooling, Casting, Machining and Surface Treatment process.

Quality Recognition Certifications: 

  • ISO 9001 : 2008 C ertifications from TUV Rhineland Germany.
  • PED 97/23/EC and AD2000-W0 Certifications from TUV Rhineland Germany.

Human Resource:

  • Among all employees are 15 engineers,18 quality control personnel,200 production stuff and others being management, marketing, administration staff.

Major material covers:

  • Stainless Steel(EN:1.4308,1.4408,1.4581,1.4462&ASTM:304,316,316L,2205,17-4PH etc)
  • Carbon Steel(EN:C45,GS45,S355, ASTM:1020 etc) 
  • Alloy Steel(EN:16MnCr5, 1.7225, AISI:4130,8630 etc)

Kelin's Clients(Markets):

  • As a result of competitive pricing, stringent quality control and client-satisfying delivery time, over 90% of production have long been exported to Germany, Spain, Italy, Netherlands, Japan and Australia etc. Till now, Kelin has been well-received by clients with good recognition.

Competitive Advantages:

  • Full-Process Control
  • Competitive pricing
  • Rapid-response Capability
  • In-depth market Knowledge
  • Competent personnel 
  • Team-based operating approach.

Value Proposition

  • With afore-mentioned key advantages, competency and all due persistent efforts, Kelin will always be dedicated to supporting its clients in their respective market and to realize a win-win development.

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Company data

Sales volume

1-9 Mio US $

Export content

> 75%

Number of employees