| a. |
Up to 85% of the customer content rate. |
| b. |
Up to 100% of the tackling rate of the customer complaints. |
| |
Up to 80% of the content rate of replying complaints. |
| c. |
Product qualified rate. |
| |
Black pipe 98.7%. |
| |
Zinc-plated steel pipe 99.5%. |
| |
Composite steel pipe 99.6%. |
| d. |
|
| |
Up to 98% of the qualified rate tested by the scale equipment. |
| |
|
