API NBR Non-Rotating Cementing Plug 1) Type: non-rotating plugs; 2) Standard: API 3) API and ISO certified 4) Specifications: 4 1/2''---20''. More special sizes or combinat...
About We OASIS:API 10D Bow Spring Casing Centralizer/Pipe Centralizers1. Material: stainless steel 304L2. Type: Bow Spring Casing Centralizer3. Standard: API 10D4. Specifi...