Huilong Shao

2 Patents

• US120054652024

  Rotary Water Outlet Mechanism and Flushing Device Containing Same

  Spark (Xiamen) Sanitary Ware Co., Ltd.

  0 cites
• US117712992023

  Rotary Cup Washing Device

  Spark (Xiamen) Sanitary Ware Co., Ltd.

  0 cites