Manvik is a manufacturer of (Chowkhats) Japani Sheet Door Frames & Japani Sheet Window Frames. Our Dealers in Chandigarh, Punjab and Haryana. Established in the year 2004, at Sirsa Haryana state (India), Manvik is an ISO 9001:2015, certified company and one of the most trusted manufacturers and suppliers of world-class metal door & window frames that define quality, reliability, and durability.