LIWEIXING ELECTRONICS (SHENZHEN) CO.,LTD. - szlwx.com Established in 1995, Shenzhen Liweixin Electronic Co., Ltd. is a foreign-invested corporation engaged in the development, manufacturing and sales of switch transformers, power … Established in 1995, Shenzhen Liweixin Electronic Co., Ltd. is a foreign-invested corporation engaged in the development, manufacturing and sales of switch transformers, power …