1. AIP (API Casing Pipe & Tubing Pipe - J55/ K55/ N80/ L80/ P110/ C95) Experience the epitome of durability and precision with our API Casing Pipe & Tubing Pipe (J55/ K55/ N80/ L80/ P110/ C95). Crafted to meet the highest AIP standards, these pipes are designed to provide unparalleled performance in the most demanding environments. Ruiyuan Holdings Group International Trade Co., Ltd. brings you a product that combines strength, reliability, and longevity, ensuring your operations run smoothly and efficiently.