双螺线网带C2W是使用C2型的螺线做双重的编入，用浪心力骨连接的型式。
A2W是使用A2型的螺线做双重的编入，用直心力骨连接的型式。
C2W uses the C2 type spiral(double)whereas
A2W uses A2 type spiral(double).C2W uses the Pre-crimped rods to joint whereas A2W uses the Straight rods.

Advantages
1.  允许张力大，可搬送重负载物
Allowable tension is high and heavy load can be 
Carried.
2. 可有于高温情况
Belt can be used at high tiemperature.
3. 网目细小，所以可搬送小物品
Having fine mesh,the belt can be used for transprotation of small items.

ypical specification of C2W(nominal size)
      规格Specification                         重量Weight(kg/ m2) 
C2W-12.5-35-5.0-4.0                                  26.8 
C2W-10-22-4.0-3.4                                     26.5
C2W-9-15-3.0-2.6                                       18.9 
C2W-9-13-2.6-2.0                                       12.3 
C2W-8-17-3.4-2.6                                       20.6 
C2W-8-15-3.4-2.6                                       21.2 
C2W-7.5-26-3.4-2.6                                   18.2

      规格Specification              重量Weight(kg/m2)A2W-9.5-16-3.2-3.2                          27.0
A2W-8.0-14-3.2-2.6                          22.7
A2W-7.0-15-3.0-2.6                          23.3
A2W-6.5-12-2.6-2.3                          20.8
A2W-5.5-6.5-1.6-1.6                          13.6
A2W-4.0-7.0-1.8-1.2                          10.7
A2W-3.5-4.0-1.2-0.8                         6.7