Crrc Qingdao Sifang Co., Ltd.

Shandong Haichuan Hair Arts Co., Ltd.

Lin Tao

Jinghai Jiao

Hongbo Wang

Yongzhen Qin

Li Wang

Buzhao Niu

Yongming Zhang

Guangwei Xu

Kexiao Wang

Ying Tang

Xiankai Zhang

The present invention belongs to the technical field of wig production and specifically relates to a manufacturing method for layered hairpiece product. The manufacturing method for preparing layered hairpiece product comprises the following steps: step I. preparing a raw hairpiece; step II. cutting a manufacturing unit: cutting one or more manufacturing units having a trapezoidal shape from the raw hairpiece; and step III. homogeneously mixing each manufacturing unit. In the present invention, after cutting the layered part having a trapezoidal shape and mixing the same homogeneously, the layered part of the layered hairpiece product resembles a natural look at the hair ends with high similarity to real hairs.

Manufacturing method for layered hairpiece product

A rail vehicle control relay board includes a main frame, a mother board and a daughter board assembly which are arranged in the main frame, the main frame includes a board face mounting frame and a daughter board mounting frame which protrudes from the board face mounting frame, the mother board is arranged in the board face mounting frame, and multiple daughter board assemblies perpendicular to the mother board are arranged side by side in the daughter board mounting frame, the daughter board assemblies are electrically connected to the mother board, and multiple first connectors configured to perform output outwards are arranged on the mother board. The rail vehicle control relay board has a high strength, and may reduce the daughter board loosening faults, extend a wiring space and increase the number of relays arranged.

Control relay board for railway vehicle

A high voltage equipment box for a rail vehicle includes a box body and electric equipment arranged in the box body, two ends of the box body in a width direction of the vehicle extend to respective skirt plates, and an avoidance gap is provided at a bottom of each of the two ends of the box body, a bottom of each of the skirt plates is fixed at the respective avoidance gap, a top of the box body extends to a position above a bottom beam of a vehicle body, and a bottom of the box body is flush with a bottom plate of the vehicle body and forms a part of the bottom plate of the vehicle body.

High voltage equipment box for railway vehicle

Growing community of inventors

Shandong, China

Lin Tao