Drilling ToolDrilling stabilizerLUHAI provides integral straight blade stabilizer, integral spiral blade stabilizer, replaceable sleeve stabilizer, non-rotary stabilizer, diameterchangeable stabilizer etc. There are Five kinds of hard facing(HF1000, HF2000, HF3000, HF4000, HF5000). All above products are manufacturedaccording to API Spec 7 standard.