the quantity of lignin in pulp determine the kappa number
| Business category 1 | Filter Supplies |
| City ( of main office ) | Hong Kong, HK, Hong Kong |
| Address | 901 Yee Kuk Industrial Centre. , 555 Yee Kuk Street, Kowloon |
| Phones | 852-5984758 |
| Date | 2011 Oct 28, 23:10 |