Features:
1) Side length of square tubes: 20 x 20 - 500 x 500mm
2) Quality standards: JIS G3466-1998, GB/T 6728-2002, GB/T6725-2002, DIN 10219,
DIN 59411-78, ASTM A500, JIS 4360
3) In accordance with different products' specifications, characteristics and
applications, we provides different forms of packing and bevel protecting
to ensure the products' quality during transportation which ultimately
meets customers' requirements
4) Place of origin: Guangzhou, China