With the rapid development of Sinopec's new projects and the expansion of existing facilities, numerous foreign companies have taken advantage of China’s booming petrochemical industry to engage in technology transfer and project contracting. By leveraging their proprietary and advanced technologies, these collaborations are fostering mutual benefits and helping accelerate the growth of China’s chemical infrastructure. One key example is CNPC's investment in a large-scale oil refinery in Dushanzi with a capacity of 10 million tons per year and an ethylene plant producing 1.2 million tons annually. This project is a crucial part of China-Kazakhstan energy cooperation. In 2005, the 10-million-ton refinery introduced UOP technology from the United States, while leading engineering firms like Linde were also involved in the project. Sinopec and CNOOC have partnered with global giants such as BASF, Shell, and BP to establish a major petrochemical joint venture. Japanese engineering firm JGC was responsible for constructing the Huizhou cracker, the Nanjing ethylene oxide/ethylene glycol plant, and the pure benzene and butadiene unit in Nanhai. Another Japanese consortium led by Chiyoda handled the styrene/epoxy and propane plants in Nanjing, while Mitsubishi assisted in building the South Sea project. Lummus has a long-standing presence in China, having provided the technology for the country’s first world-scale ethylene plant at Beijing Yanshan. Over the years, Lummus has completed over 80 projects in China, with 60% of the nation’s ethylene and styrene production using its technology. Its largest project in China is the ethylene and ethylbenzene/styrene monomer units at Shanghai Secco Petrochemical, where it collaborates with Sinopec on pyrolysis furnace designs. Basel has also been actively transferring polyolefin technology to China. The second Lupotech T patent contract for Lanzhou Petrochemical’s LDPE plant and the use of Spheripol technology for PP plants highlight this collaboration. So far, five Lupotech T processes have been implemented in China, becoming a standard in the LDPE market. Technip-Coflexip used BP’s Innovene technology to build two PE units for Shanghai Secco, and also constructed the world’s largest polytetrahydrofuran/tetrahydrofuran integrated unit for BASF in Shanghai. Holden Topsoe signed two contracts with China to transfer methanol synthesis loop technology for two new methanol plants, including technology, engineering, catalysts, and equipment. Many other chemical plants in China have adopted foreign technologies. For instance, Jilin Petrochemical’s carbonyl alcohol plant uses Kvaerner Process Technology (KPT) and Dow Chemical’s fourth-generation process. Shanghai Petrochemical employs Borealis’ Borstar technology for the world’s largest bimodal PE unit. UDE uses Basel’s Hastalen technology for HDPE equipment, while Novolen Technology Holdings provides PP technology to Fujian’s petrochemical project. These international partnerships not only enhance China’s technical capabilities but also help domestic companies like China Bluestar grow rapidly. After signing a contract with British Davy Technology, Bluestar implemented the latest fourth-generation 1,4-butanediol technology at its Tianjin facility. This project will strengthen Bluestar’s product chain and boost its global competitiveness, while also advancing domestic production techniques in this critical chemical.

Braille House Number

Some key features of ADA room number signs include:
1. Raised Characters: The room number must be raised or embossed to allow tactile reading by individuals with visual impairments.
2. Braille: ADA signs must include Grade 2 Braille, which is a system of raised dots that allows individuals with visual impairments to read through touch.
3. High Contrast: The color contrast between the background and the characters must be high to ensure readability for people with low vision.
4. Pictograms: In addition to the room number, ADA signs may include pictograms or symbols to provide additional information, such as indicating accessible restrooms or wheelchair accessibility.
5. Mounting Height: ADA guidelines specify the appropriate mounting height for room number signs to ensure they are easily visible and accessible for individuals using wheelchairs or mobility aids.
It is important for public buildings, such as hotels, hospitals, and offices, to have ADA room number signs to ensure equal access and navigation for everyone, regardless of their abilities.

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