Heidi Hu

0:05

Underground heating welded ball valve

Heidi Hu

Shared 1 year ago

3 views

0:04

Underground heating ball valve

Heidi Hu

Shared 1 year ago

1 view

0:08

Flanged welded ball valve

Heidi Hu

Shared 1 year ago

5 views

0:05

Pressure Test

Heidi Hu

Shared 1 year ago

2 views

0:05

Valve seat assembly

Heidi Hu

Shared 1 year ago

2 views

0:06

Incoming inspection for valve ball

Heidi Hu

Shared 1 year ago

0 views

0:04

Engineer heating case pictures for welded ball valve

Heidi Hu

Shared 1 year ago

4 views

0:05

DN1200，welded ball valve,PN25

Heidi Hu

Shared 1 year ago

2 views

0:05

Two workshops produce welded ball valve

Heidi Hu

Shared 1 year ago

0 views

1:04

How to operate underground ball valve

Heidi Hu

Shared 1 year ago

89 views

0:05

Packing

Heidi Hu

Shared 1 year ago

48 views

0:06

Underground gas welded ball valve

Heidi Hu

Shared 1 year ago

3 views

0:05

Underground ball valve for gas application

Heidi Hu

Shared 1 year ago

5 views

0:06

Gas welded ball valve

Heidi Hu

Shared 1 year ago

5 views

0:06

Gas welded ball valve with bare stem or actuator

Heidi Hu

Shared 1 year ago

5 views

0:08

Forged steel ball valve

Heidi Hu

Shared 1 year ago

11 views

0:06

Floating ball valve Trunnion mounted ball valve

Heidi Hu

Shared 1 year ago

3 views

0:09

Floating ball valve

Heidi Hu

Shared 1 year ago

2 views

0:09

Underground ball valve for heating

Heidi Hu

Shared 1 year ago

7 views

0:42

Valve ball inspect

Heidi Hu

Shared 1 year ago

9 views

1:26

VR from Grande Tek

Heidi Hu

Shared 5 years ago

33 views

1:42

Incoming material inspect for fully welded ball valve/all welded ball valve

Heidi Hu

Shared 5 years ago

18 views

1:37

Fully welded ball valve/district heating ball valve/ball valve/gas ball valve

Heidi Hu

Shared 5 years ago

35 views

5:25

Chinese excellent ball valve factory/Grandetek flow control co.,ltd

Heidi Hu

Shared 6 years ago

94 views

0:11

Spring in Grande Tek company

Heidi Hu

Shared 6 years ago

7 views

0:19

district heating ball valve

Heidi Hu

Shared 6 years ago

10 views

0:09

fully welded ball valve for gas project

Heidi Hu

Shared 6 years ago

13 views

0:22

fully welded body ball valve workshop

Heidi Hu

Shared 6 years ago

2 views

0:10

Fully welded ball valve in stock

Heidi Hu

Shared 6 years ago

5 views

1:37

Superior welded ball valve in GD-tek flow control company

Heidi Hu

Shared 6 years ago

18 views

6:24

fully welded ball valve in GD tek

Heidi Hu

Shared 6 years ago

33 views

0:13

strictly material testing for welded ball valve

Heidi Hu

Shared 6 years ago

3 views

0:13

stainless welded ball valve for heating and gas

Heidi Hu

Shared 6 years ago

5 views

0:10

fully welded ball valve for heating and gas in stock

Heidi Hu

Shared 6 years ago

6 views

0:08

welded body ball valve/soldering ball valve/globe valve

Heidi Hu

Shared 6 years ago

23 views

0:10

good sealing ball valve for heating and gas usage

Heidi Hu

Shared 6 years ago

6 views

0:10

stainless welded ball valve/welded ball valve

Heidi Hu

Shared 6 years ago

5 views

4:55

welded ball valve/fully welding ball valve

Heidi Hu

Shared 6 years ago

30 views

0:19

ball valve soldering with good sealing and good after sales service

Heidi Hu

Shared 6 years ago

5 views

0:02

stainless welded ball valve with good sealing

Heidi Hu

Shared 6 years ago

13 views

0:43

stainless fully welded ball valve

Heidi Hu

Shared 6 years ago

21 views

3:31

welded ball valve/stainless full welded ball valve

Heidi Hu

Shared 6 years ago

27 views

1:37

full welded ball valve with good seal and best quality

Heidi Hu

Shared 6 years ago

11 views