About Us
We professionally manufacture valves, pipe fittings, castings and other fluid system equipments, including ball valves, gate valves, globe valves, check valves, diaphragm valves, plug valves, sanitary butterfly valve, elbows, tees, union and other pipe fittings. All products strictly meet the GB, ANSI, JIS, DIN, BS, ISO, etc. They are widely used in petrochemicals, chemical, LNG & cryogenics, pulp & paper, water and wastewater, mining, refining, marine, electric power  etc. Besides, they  have been exported to Europe, North America, Middle East, Southeast  Asia regions, etc.
We are a modern manufacturer in valve, pipe fitting and casting with the silica sol investment casting process. We own modern high-precision casting equipment and advanced machining equipment and testing equipment. eg.: CNC machining centers, CNC lathes , Spectrometer, Ultrasonic Tester, Magnetic Particle Testing, etc . These equipments ensure the product's good quality and we are approved by ISO9001, CE and TS, etc.
We commit to provide supreme quality of products and 100% customer satisfaction service, based on the principle of honesty and trustworthiness, we focus on controlling quality, improving management and contentiously developing new market and enlarging our product range. Welcome to contact and join us for the promising business.
ÂMEASURINGÂ CAPABILITY | |||
Measurement |
Range(mm) |
Accuracy(um) |
Brand |
Length |
200×150 700×600×500 0-600 |
3+L/50 2.1+3.8L/1000 3+L/300 |
Easson(Taiwan) Brown & Sharpe(Us) Trimos/Tesa(Swiss) |
External Diameter |
0-100 |
1 |
Mitoyuto(Japan) |
Internal Diameter |
5-30 |
1 |
Tesa (Swiss) |
Surface Roundness |
80 |
0.01 |
Mitoyuto(Japan) |
General Tolerance(+/-mm) | |
CNCÂ Machining |
0.005 |
Turning |
0.005 |
Grinding(Flatness/in2) |
0.003 |
ID/ODÂ Grinding |
0.002 |
Wire-Cutting |
0.002 |
MACHININGÂ Â EQUIPMENT | |
CNC Machining |
Sheet Metal |
|
High Speed Vertical Machining Horizontal Machining CNC Turning |
CNC Blanking Hydraulic Shearing Hydraulic Press Welding |
Grinding |
W/CÂ Machining |
|
Surface Grinding ID/OD Cylindrical Grinding |
Wire Cut Drilling |
General Machining |
Others |
|
NCÂ Turning Lathe Milling |
Lapping Heat Treatment Surface Treatment |
Feature
Double O-Rings third stem sealing design
Blow-out proof stem
Built-in ISO5211 direct mounting pad
Pre-load 2 Belleville washer to self-adjust packing
Double Stem sealing to comply with TA-LUFT requirements
Anti-static devices for ball,stem and body
Fire safe design and Construction
Â
Pneumatic actuator:
Rack and pinion type (From AT52~AT400 )
Double acting or spring return actingÂ
The limit switch, solenoid valve, positioner, Air filter regulator, manual override ( option)
What Benefits We Can Get from You?
1)Competitive price
2)High quality control: 100% full inspection before shipment
3)High precision, tolerance can be ± 0.005mm
4)Fast lead time (5-7days for samples, 12-15 days for mass production)
5)Non-standard//OEM//customized service provided
6)No MOQ, small QTY is acceptable.
7)ISO 9001: 2008 certificated factory, ROHS material used
9)Professional export packing: separate Blister Plastic Box or Bubble Wrap/ Pearl Wool + Carton + Wooded Case, keep no scratch and damage
It's our pleasure to serve you. If we get your inquiry with detailed specification and drawings, we will submit our competitive offer ASAP and provide you premium quality products.
Technology of Germany hydraulic cycle design, ensuring the machine running rapidly and quietly.Such as Mobile Cover Making Machine.
Proportional back pressure control, including zero back pressure function.
CrMo steel material for the tie bars, ensuring the service life of the machine.
China- Unique- Producer, Centre- Locking- Toggle.
High sensitive pressure speed and temperature sensors.
Self- develop high performance servo saving energy system.
Enlarged inject speed and enlarged inject pressure.
*Plastic Injection Machines prices:reasonable.
Injection Moulding Machine For Mobile Phone
Injection Moulding Machine For Mobile Phone, Phone Use Injection Machine, Plastic Moulding Machine For Mobile Phone, Injection Moulding Machine Mobile Case,Mobile Cover Making Machine
Ningbo Shuangma Machinery Industry Co., Ltd , http://www.bolemachinery.com