What is the difference between injection molding and blow molding?

Our company is engaged in injection molding and blow molding for more than 10 years of production enterprises, research and development of production and sales as one. What is the difference between injection molding and blow molding? This question is often asked, so let's briefly address it. The difference in technology: 1, Injection Molding Process: complete with injection molding machine, the input cost is higher, mold price is more expensive, the product price is very cheap, the market is more transparent, mainly suitable for making small size products, the monthly output is very big, the mold and the product belongs to the precision is very high, the general chip is used in each domain. The injection molding is the injection + presses, the injection molding does must have the gate section. 2, Blow Molding Process: blow molding mold is relatively simple, with gas blow out the shape of the product. The mold price is moderate, mainly suitable for making hollow class, packing class and other special products, the monthly output is only a few thousand sets, the use of the field is limited. Blow molding is note + blow, blow molding to do must have that pull blowing pipe left head. Appearance differences: 1 injection molding products: injection is a solid core, injection molding parts surface is bright. Because there is injection molding mouth, so the molded product will be a small part of the unwanted, there is a process will cut it, if careful observation or will be found. Blow Molding Products: blow molding is a hollow body, blow molding surface is not flat.