Dear Sir/Madam:5 s1 b4 ^' s' Y6 k+ L
I am mechanical engineer of Rep. Office of Erhard GmbH. The drawing you provided displays the Erhard Needle Valve with slotted piston. Pls dial ++86-21-64325892. ) W* `6 M) X0 }0 q+ Z4 G1 uThks & best rgds5 M' s/ b z1 E4 A$ @5 ~