Ming Sheng Hardware Co., Ltd.

Name:Glass-Washing machine
Description:Glass-Washing: A machine is used for cleaning all glasses after cutting, edge polishing and holes drilled. After this washing procedure, one worker inspects glasses' surface with a light carefully in order to detect any scratches or glass particles flowing into the next process.

Name:Tempered Effect Test
Description:Test Steps: 1. Wrap a glass lid with Scotch Tape fully . 2. Determine the desired test point which should be at least 1/6 from the edge . This test point must be at least 80 mm away from the "air hole" 3. Once the test point is determined, you need to give it a heavy blow with a sharp point hammer to break the glass. 4. Choose an area 50x50 mm which must not be farther than 50 mm from where the hammer hit the glass, this area must have at least 80 fragments of glass to pass the test.

Name:Heat & Impact-Resistant System
Description: Heat-Resistant Test : 1.Place glass lid into oven,set temperature 210 centigrade,Keep it at least 20 minutes. 2. Get the hot glass lid out from the furnace (oven) and quickly dip it into water at room temperature. 3. If there is no breakage, crack and/or distortion on the glass lid, it is an acceptable lid. Impact-Resistant Test: First of all get a steel ball 250 grams in weight, Place glass lid on the test platform, then get the steel ball and drop it from the set distance of 1.2 meters high, do it three times. If There is no breakage or distortion the part has passed the test.