1. Heng Rui Jin testing machine limited company

  pressing fatigue testing machine for well lid.

1) 60t/100t/125t/150t/200t pressing testing machine for well lid

2)100t/20t pressing fatigue testing machine for well lid.

3)2t loading tesing device for manhole cover It used to test mechanic function of variety of well lid, cover plate, shutter grate, manhole cover.It tests pressure of well lid, fatige of well lid, load of fracture, load of damage, holding of load, deformation of remain.

4) JAW---1000/200 static pressure, 1000KN; dynamic fatige 200KN

Microsoft computer controlling electric dynamic servo pressing fatige testing sysytem for well lid (all in one) (satisfied Europen standards)

5) JAW—600/1000/1500; 600KN; 1000KN; 1500KN

Microsoft computer controlling electric dynamic servo pressing testing machinefor well lid. (statisfied Europen standards)

6) JAW—1250KN [used by standards of British country]Microsoft computer controlling electric dynamic servo pressing testing machine for well lid. (Europen standard EN124)

7) JAW—2000, 2000KN; [satisfied Europen standards] Microsoft computer controlling electric dynamic servo pressing multifunctional testing machine for well lid.(all in one)

8) JYS—20; 20KN loading of inspecting well testing devices

2. GB/T23858---2009 manhole cover can be devided into manhole and non-manhole; specification size of manhole are 600mm, 700mm, 800mm, 900mm according net hole size of well seat; [BS EN124: 1994 cover plate of down drains and manhole coverof area for vehicle and passerbys, designing requirment, type of test,  signing, quality controlling] europen standards/ taking on the position of British standards.