Hollow Screw jack Adjustable Screw jack
U head :200*210*80*8
Screw jack nut :160mm*25mm*32* 15
Unit weight :7.5KG /Unit
The size of hole :12mm
Surface treatment : Eco-Galvanized
FOB price : 1140 usd per ton
How to make your quality management ?
1. Raw material .Every batch of our raw material ,there must have accurate inspection for the Steel Chemical composition list Q235 or Q345 .
And we will have the detail Mill test Certification for the raw material with the exact heat number and so on . and also there can be have the Tracking number on the raw material in this way the quality of our raw material can trace .
2. How to make sure the quality of your products is the top qualified ones ?
We produce our scaffolding accordingly to the European standard . BS Standard and AU/NZS1576 Standard . The accurate for the thickness and th e sizes is no less than +-5% .
For every stop of our production ,there must have at least three times checking by our qualified inspectors .If one stop is not ok , it is not allowed to the next step .
3 What is the thickness of the hot dipped Galvanization ?
We are very stringent on our source of pure zinc to ensure high quality hot dip Galvanizing result . we have been using 99.95% premium jumbo zinc ingot imported from Canada USA or Europe from the very beginning .
And before Hot dipped Galvanization ,here must have the pickling production process to remove the Impurities and rust on the surface of the black pipes . but some small scaffolding factory do not have this production process . After pickling for the black pipes, it will help the hot dipped Galvanization more stonger adhension .
3 What is your quality control management of your Hot dipped Galvanization ?
We produce accordingly to the standard of BS EN ISO1461:2009
Standard quality control documents are in place for our specialists to stictly monitor all hot dipped Galvanization work .so the quality and result are guaranteed .
4 What is the thickness of the hot dipped Galvanization ?
The Thickness of our hot dipped Galvanization is no less than 70um for the average thickness