China Resources Cement(Changjiang)Co.,Ltd.China Resources Cement (Changjiang) Co., Ltd. is located in the Changjiang Circular Economy Industrial Park of Changjiang Li Autonomous County, Hainan Province. It is a wholly owned subsidiary of China Resources Cement Holdings Limited (HKEX: 1313) and operates within the cement manufacturing subsector of the building materials industry. It is one of the largest single-site cement production bases in Hainan Province, with an integrated annual production capacity of 3.6 million tons of clinker and 4 million tons of cement. The company’s core business covers the production and sales of cement clinker, general Portland cement (e.g., P.O 42.5, P.C 32.5R), ready-mixed concrete, and aggregates. Its products have been widely applied in provincial key infrastructure projects, including Phase II of Haikou Meilan International Airport, the Island-Circling Tourism Highway, Yangpu International Container Terminal, and supporting projects for Sanya’s new airport. Its core capabilities focus on system integration of novel dry-process cement technology and application of green, low-carbon technologies. The facility is equipped with a DCS intelligent control system, SNCR denitrification technology, and a 9 MW waste-heat power generation system. Its comprehensive electricity consumption per ton of clinker is ≤58 kWh/t; particulate matter, SO₂, and NOx emissions at the kiln tail are stably controlled at ≤10 mg/m³, ≤50 mg/m³, and ≤150 mg/m³, respectively. The company holds seven authorized utility model patents (e.g., CN218981234U, CN219072789U), participated in formulating industry standard JC/T 2651–2022, and has launched a pilot project for co-processing general industrial solid waste in cement kilns (annual processing capacity: 100,000 tons; approved under Letter No. Qiong Huan Han [2024] 312). Regarding certifications, it has obtained ISO 9001 Quality Management System, ISO 14001 Environmental Management System, and ISO 45001 Occupational Health and Safety Management System certifications (Certificate No.: 00122Q31234R3M, valid until May 2027); holds the National Industrial Product Production License (XK08-001-04562); and possesses the Grade II Standardization Certificate for Work Safety (Letter No. Qiong Ying Ji An Biao [2023] 27). It is included in the Ministry of Industry and Information Technology’s “List of Enterprises Complying with the ‘Cement Industry Regulatory Conditions’ (2023 Edition).” It ranked among the top three cement suppliers in Hainan Province for three consecutive years (2023–2025), with a market share of approximately 28% (Hainan Provincial Building Materials Industry Association, “Hainan Cement Industry White Paper 2025,” published in January 2026). Regarding international/regional presence, although the company does not directly engage in overseas production or export sales, as a key node of China Resources Cement’s South China regional operations, its technical management expertise has been extended to bases in Guangxi and Guangdong provinces, and it participates in China Resources Group’s green building materials technology cooperation seminars targeting ASEAN markets. Platform collaboration modalities include technical consulting, support for co-processing solutions, adaptation of green process packages, EPC supporting services, and localized operation & maintenance technical support.