We m/s sinewave technologies int. chandigarh. an iso 9001:2000 company is an abusiness partner of emerson network power (i) pvt. ltd. a manufacturer of liebert ups. we involved in the marketing, service and support of the entire range of power related products. these include: on-line, line-interactive uninterrupted power supply (ups) systems - liebert, precision air-conditioners, servo stabilizers, transient voltage surge suppressors .