1. Sulfomethylated phenolic resin SMP
2. Solide lubricant SD-507
3. Powerful pressurization sealer SD-601
4. PHPA
5. Macromolecule emulsion packager SD-701
6. Lubricant SD-506
7. Composite Defoamer SD-401
Drilling fluid additives
Powerful pressurization sealer SD-601 |