Caltta ATEX Radio Strengthen Safety at Mega Petrochemical Base

Shenzhen, China – [August 11, 2025] — Caltta Technologies, a leading provider of mission-critical communication solutions, has successfully deployed its PH990Ex hydrogen-grade explosion-proof radios to safeguard operations at the Shandong Yulong Petrochemical — one of China’s largest and most advanced petrochemical bases, which comprises a 20-million-ton-per-year oil refining facility and a 1# 1.5-million-ton-per-year ethylene plant, now fully operational, with the 2# ethylene plant nearing completion. 

Behind this “super project,” the plant’s dedicated fire rescue team is a critical force ensuring safe production in an environment with significant flammable and explosive hazards. To achieve rapid, reliable, and safe command and dispatch, Caltta, together with its local partner in Shandong province, equipped the fire rescue team with PH990Ex explosion-proof radios — providing a robust communication shield for mission-critical operations.

Yulong Petrochemical produces hundreds of chemical products, including refined oil and ethylene, and its facilities contain large volumes of flammable gases and dust. Fire and rescue teams face extreme operational challenges such as fire suppression and hazardous chemical leak containment, which demand:

• Uninterrupted performance in hazardous and extreme environments

• Zero-delay communication for command and coordination

• Absolute safety in intrinsically dangerous conditions

The Caltta PH990Ex delivers a specialized, professional-grade solution tailored to these demands:

Hydrogen-Grade Explosion-Proof Certification

Certified by China CCC (Ex ib ⅡC T4 Gb / Ex ib ⅢC T120℃ Db) and ATEX (Ⅱ 2G Ex ib ⅡC T4 Gb / Ⅱ 2D Ex ib ⅢC T120℃ Db / I M2 Ex ib I Mb), the PH990Ex can operate safely in highly flammable gas environments, including acetylene and hydrogen zones, minimizing ignition risks.

Seamless DMR Digital Trunking Integration

Fully compliant with the DMR digital trunking standard, the PH990Ex ensures compatibility with existing plant systems, streamlining deployment and enabling unified, efficient dispatch across the facility.

Military-Grade Ruggedness

With an IP68 protection rating, drop resistance up to 1.5 meters, and proven resilience against dust, moisture, and impact, the PH990Ex delivers reliable performance in the most challenging conditions.

Superior Audio and Noise Reduction

Advanced audio circuitry, optimized structural design, and noise-reducing encoders ensure crystal-clear communications even in the plant’s high-noise operational areas.

With its outstanding safety performance, rugged durability, and superior audio quality, the Caltta PH990Ex has earned high praise from Yulong Petrochemical, delivering secure and efficient communication support for this flagship national energy project.

Caltta remains committed to advancing the petrochemical industry’s safety and efficiency through technological innovation, continuing to develop solutions that meet the highest standards of mission-critical communication.