WorkVenture gives you an inside look at what it's like to work at Lump Sum Holistic Engineering Co., Ltd., office & team photos, reviews and more. This is the Lump Sum Holistic Engineering Co., Ltd. Company Page. All content is posted anonymously by employees currently or previously working at Lump Sum Holistic Engineering Co., Ltd..Apply to I.G.S PublicApply to MashmellowApply to MMBApply to Double Pine