Specifications and models:

20*10*3000 double row

20*20*1500 double row

25*15*1500 double row

30*10*2000 single row

30*15*1500 single row

30*20*1000 single row

30*25*1000 single row

30*80*300 single row

40*10*1500 single row

40*20*1500 single row

40*30*800 single row

40*60*400 single row

40*70*300 single row

50*20*1500 single row

50*25*1000 single row

50*30*1000 single row

50*40*600 single row

60*30*800 single row

60*40*800 single row

60*50*800 single row

70*30*400 single row

70*50*500 single row

70*90*300 single row

80*90*500 single row

80*50*500 single row

40*80*300 single row

45*70*400 single row

50*30*700 single row

60*40*700 single row

100*100*500 single row

100*150*500 single row

80*60*1000 single row

100*30*1000 single row

70*40*500 single row

40*30*2500 single row

50*40*700 single row