Shenzhen Changen Industry Co., Ltd.

Shenzhen Changen Industry Co., Ltd. was established in 2002. Located in Shenzhen, and there are 200 employees. The workshop and factory buildings cover 15000 square meters. CEI is specialized in designing and producing top security products, such as lock cylinders, lock cases, steel wooden security doors, wooden doors and other hardware. CEI has passed ISO9001 certification. Our products are AAA certified and named as green products.

Our company has our own brand of CEI. The products quality and service of the company win high reputation from all customers. At present, our company has two factories, one for the steel doors and the other for wooden doors. Recently, in order to meet the market requirements, our company has founded two subsidiaries. One is Shenzhen Jinmulang Cultural Development Co., Ltd. and the other is Shenzhen Huixingu Lock Technology Co., Ltd. To improve the standards in door and lock fields is the goal of our company.

Our company has also constituted B+ security lock standard, security door standard and archive room door standards. B+ security lock standard has become the professional standard in the field.

We are engaged in researching and manufacturing steel doors, stainless steel doors, steel wooden doors, wooden doors, XIDE plate security doors, aluminum doors, five-color locks, lock cases and handle panels. There are 21 kinds and 370 models of products owned by our company. In addition, our company has got 58 international patents, including 3 international invention patents (i.e. joint jogged pin structure for lock cylinders, USB keys and automatic 3 in 1 lock case), 13 Chinese invention patents, 16 practical patents and 25 appearance patents. Our enterprise has unique design and strong machining capacity for the steel doors and wooden doors.

Thanks to the long-term researching and rich experience, in the middle of 2012, our company recommended our new product -B+ grade five colors locks, which had passed CE certification and become a bright star in the high security field.

We will create miracles continuously. We are devoted to supplying satisfactory security solutions and services to more and more customers.