The High Speed Rolling Shutter Door consists of two sets of photoelectric cells which should be set to be 150 mm high from the ground, and the other set to be 450 mm high from the ground. Provide split prices for non-contact button sensors on both sides.
Good feedback red phosphorus CAS 7723-14-0 Red phosphorus1. Red phosphorus: P42. Red phosphorus payment accept Paypal3. Accept order 50g...