Ball railings are widely used in sewage treatment, tap water, gardens, municipal roads, mines, electricity, petrochemicals, machinery, shipbuilding, highways, railways, bridges, airports, docks and other industrial and civil buildings. Ball joint railing products conform to international standards: British BS6399 and BS6180, Australia 1650-1985, etc., and Chinese standard 4053-83. The stainless steel surface is matte and meets the requirements of environmental protection.