บ้าน> ใบรับรอง

การรับรอง

สิทธิบัตร

ISO45001

ISO45001

ISO 14001

ISO 14001

ISO 9001

ISO 9001

A patent for rotating sealing element and it's rubber injection mold

A patent for rotating sealing element and it's rubber injection mold

A patent for annular BOP packing element

A patent for annular BOP packing element

A patent for a new VBR packer

A patent for a new VBR packer

A patent for VBR packers

A patent for VBR packers

อีเมล์ให้ผู้ขายนี้

We will contact you immediately

Fill in more information so that we can get in touch with you faster

Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.

ส่ง