WorkVenture gives you an inside look at what it's like to work at Jm Sales&service Co., Ltd., office & team photos, reviews and more. This is the Jm Sales&service Co., Ltd. Company Page. All content is posted anonymously by employees currently or previously working at Jm Sales&service Co., Ltd..Apply to Sunny SystemApply to IRIS ConsultingApply to SCM TechnologiesApply to Family Tree