Products
- What is the difference between working burst and proof test pressure2017-02-23
- JIS B2220 5K Blind Flange2017-02-20
- The EU imposed anti-dumping duties for stainless steel pipes and fittings from China2017-02-16
- JIS B2220 5K Slip On Hubbed Flange2017-02-10
- JIS B2220 5K Slip On Plate Flange2017-02-04
- Haihao Group finished high quality customized flange collar products2017-02-03
- JIS B2220 Integral Flange2017-01-20
- Haihao Factory is producing 180 degree bends for Petro pipeline2017-01-17
- JIS B2220 Threaded Flange2017-01-10
- Haihao Flange Factory finished high pressue and large size flanges on time2017-01-09
- JIS B2220 Socket Weld Flange2017-01-06
- Haihao Group finished the 50D radius pipe bends used for steel structure2017-01-04
- JIS B2220 Blind Flange2017-01-03
- Hebei Haihao Group is working hard to finish orders before Chinese New Year2016-12-30
- JIS B2220 Weld Neck Flange2016-12-28
- Client inspect tube sheets quality and production in Hebei Haihao Group2016-12-27
- JIS B2220 Slip On Hubbed Flange2016-12-26
- The tolerance about JIS B2220 flange products2016-12-23
- JIS B2220 Slip On Plate Flange2016-12-20
- What are JIS B2220 flanges products2016-12-16