Four suggestions for buying the brick machine

It is difficulty to pick up a block machine form plenty of block machine manufacturers. You have no idea how to buy a well-content block machine, don’t worry, four suggestions as follows,
1, You need visit the block machine manufacturer, learn Company strength and know the company is legal or illegal.
2.At the beginning, you could give them a little order and test the quality of products
3, Making sure the payment, the delivery, the quality of products in contracts.
4. Go through the company's accounts, payment after reciving the