Berkson Machinery, specializing in spiral air duct machines, air duct production linesand other complete sets of air duct machine,Sheet metal processing machine such asshearing machine and Press brake;Support to map customization, Free test proofing, Satisfied with the have professional customer service consultants and technical consultants, 24 hoursonline to answer all kinds of questions for you, You can leave a message or call thehotline on our website, we will help you deal with the problem in the shortest promise that any quality problem of the products sold can be returned andreplaced,In order to give back the love of new and old customers, the company adoptsfactory price direct sales, cash on delivery, use first and pay later and other methods tomaximize the profits of customers and reduce the financial pressure of customers.