TIANYI.TIANYI Company was established in 2002 and is located in the Economic Development Zone of Zaozhuang City, Shandong Province. Covering an area of 30,000 square meters, the company currently employs over 200 staff members, including more than 20 professional technicians. Its product line spans the entire hydraulic fluid industry chain, extending from upstream critical components (such as hydraulic hoses and fittings) and base oils to downstream intelligent construction machinery, achieving integrated R&D, production, sales, and service for key products. The company holds multiple authoritative certifications including ISO9001 Quality Management System, US MSHA, UK NQA ISO/TS16949, China Mining Product Safety Mark, and Occupational Health, Safety, and Environmental Management Systems. Primary products encompass high/medium-pressure hydraulic rubber hoses, hydraulic pipe fittings, hydraulic components, construction machinery spiral hoses, various steel wire/fiber braided hoses, as well as automotive air conditioning/brake hoses and steam hoses.