1. The threading coupler is uses the international 45-size reinforced steel material in the material. This material has special processing, so it is high in precision and quality is safe and reliable.

2. This carbon coupler level of reinforcement that it can connect to is also relatively high.

3. And also passed the test of the State Administration of Construction Engineering Quality Supervision, the standard reached the I level .

4. Too much to meet most varieties, but also to meet the connection needs of various parts, directions, calibers and lengths of the building structure.

2019-4-10

