الوصف

Range of application: (1). mattress spring (2). compression spring (3). extension spring (4). torsion spring (5). mechanical spring (6). wire forms (7). core of controlling cable (8). connecting wire (9). hard needle Specifications: (1). 0.*0mm**3.*0mm to comply with DIN***********4 Class B (2). 0.*0mm*3.*0mm to comply with DIN**********4, Class C, EN*****-SH (3). 0.*0mm*2.*0mm to comply with DIN**********4 Class D (4). 0.*0mm**3.*0mm to comply with ASTM-A**7 grade I and II (5). lightly-oiled or heavily-oiled subject to requirement. (6). Other standards are subject to requirements, such JIS, AS or GB