Product Name: door lock tightener
Model:
Size: 150*120
Surface treatment: zinc plating
Tolerance range: positive and negative 1mm
Packing: bubble bag + carton
Price: 20 thousand pieces more than 18 yuan per piece
          5000-1 million pieces of 20 yuan per piece
          2000-5000 pieces of 22 yuan per piece
          2000 pieces below 25 yuan.
Material: high quality carbon steel