Shree Synthetics Ltd, an Ujjain-based producer of nylon and polyester, is still struggling to return to profitability despite improvements in operations and infusions of capital, the Hindu Business Line reported. Mr Shreekant Bangur, the present promoter, who took charge of the company in 1996 following a family arrangement, has invested fresh capital of Rs 12 crore through a preferential allotment of Rs 10 equity shares.