How about a relief photomask?

All right. Letterpress Photomask Co., Ltd. is a global commercial photomask supplier, a multinational company under the Letterpress Group, and is committed to providing high-quality photomasks to customers all over the world. Its headquarters is in Texas, USA. Shanghai Letterpress Photomask Co., Ltd. serves many leading semiconductor manufacturers and design companies in China, including Shanghai Huahonghong Semiconductor Manufacturing Co., Ltd., Wuxi Huarun Shang Hua Technology Co., Ltd., Shanghai Huali Microelectronics Co., Ltd., Shanghai Advanced Semiconductor Manufacturing Co., Ltd. and Hejian Technology Co., Ltd., with good development and favorable treatment.