Baldwin Printing Controls, Ltd. Unit 307D, Wang Lung Industrail Building, 11 Lung Tak Street, Tsuen Wan, New Territories, Hong Kong Phone: +85 228 112 987 Fax: +85 228 110 641. Baldwin Printing Equipment Trading (Shanghai) Co., Ltd. Unit A709, Met Plaza, No.268 Tongxie Road, Changning District Shanghai, China 200335 Phone: +86 213 258 1062 Income tax - contact us Contact us about income tax for individual and business enquiries. Lost IRD number You keep the same IRD number for life so even if you lose it you don’t need to apply for a new one. It’s easy to find your IRD number again. Contact. Reports on misuse of public research funds and misconduct related to research activities can also be filed from the page that opens when you click the above button.