Frequently asked questions about equipment selection, pricing, certification and tendering.
Core equipment includes wind-water fire extinguishers, forest fire water bags, electric reciprocating water guns, portable fire pumps and flame-retardant suits — configurable as complete kits by team size and terrain.
Typically 3C certification (where applicable), test reports and factory certificates; government buyers usually also need supply certificates and parameter response sheets. Longsheng'an provides complete documentation for tendering.
We recommend completing stockpile purchases 1–2 months before flood season to allow production, logistics and acceptance. Common items are usually ex-stock; full configurations follow contract schedules.
Cylinders require hydrostatic tests at regulated intervals (per local requirements); store fully charged away from heat, and inspect masks and seals regularly. Training support is provided.
Mainly for confined spaces — deep wells, pits, shafts and tanks — with winch, safety rope and harness for personnel raising/lowering and fall protection; a mandatory companion for confined-space work.
Yes. Based in Chengdu we ship nationwide, with dedicated freight lines to Yunnan, Guizhou, Sichuan, Chongqing, Tibet and Xinjiang; delivery time confirmed at order.
Yes. For bulk procurement we can send samples or arrange warehouse inspection before contract signing — contact us for details.
Yes. Equipment ships nationwide by freight; for large items (e.g. mini fire station cabinets) on-site installation can be arranged per contract.
When using a motorized reciprocating water gun for forest firefighting, the key to saving effort lies in your grip posture and operating rhythm. First, hold the gun body with both hands—your front hand stabilizes the barrel while your rear hand controls the reciprocating handle. Keep your body weight slightly forward and use your waist strength to drive your arms, rather than relying solely on arm power. Second, it is recommended to maintain a reciprocating frequency of 30–50 strokes per minute, adjusting the stroke length based on fire intensity. Typically, the effective range can reach 10–15 meters, with a water flow rate of approximately 3–5 liters per minute. Additionally, keep the hose smooth and free of kinks or excessive stretching to reduce resistance. For prolonged operations, you may intermittently use the electric assist function (if your model is equipped with it) or rotate operators. During routine maintenance, regularly lubricate the piston and sealing rings to ensure stable internal pressure, which will make the gun operate more smoothly and with less effort. Note that in actual use, adjustments should be made flexibly based on the distance to the fire and terrain conditions—avoid overexertion that could lead to muscle fatigue.
For home or emergency use, the load capacity of ordinary plastic rope ladders typically ranges from 100 to 150 kg, while industrial-grade or firefighter-specific models can support over 200 kg. Always refer to the rated safe load indicated on the product label. The durability of a rope ladder mainly depends on the material and manufacturing process: polyethylene (PE) or polypropylene (PP) offer good weather resistance but are susceptible to cuts from sharp objects; nylon provides higher strength and abrasion resistance, though at a slightly higher cost. Under normal use—avoiding prolonged sun exposure, chemical corrosion, and overloading—the ladder can be deployed and retracted dozens of times without issue. However, before each use, inspect the rungs and ropes for wear or knots, and discard the ladder immediately if fiber breakage or deformation is found. Please note that plastic rope ladders are auxiliary escape devices and are not suitable for high-rise buildings or prolonged suspended operations. It is recommended to use them in conjunction with descent devices and to replace them periodically (generally every 2–3 years, even if unused). When purchasing, you may request tensile test reports from the manufacturer to ensure the actual load capacity meets the required standards.
The sand filling volume of a fire sandbox should typically be 80%–90% of its capacity, and should not be filled too full to facilitate quick access during emergencies. Common specifications include 0.5 cubic meters, 1 cubic meter, and 1.5 cubic meters. The specific choice should be determined based on the risk level of the site and the type of fire that may occur. It is generally recommended to configure no less than 0.5 cubic meters for every 50 square meters. Sand itself has no shelf life, but it should be regularly inspected for moisture, caking, or contamination. The industry-standard practice is to inspect at least once per quarter. If the sand is found to be hardened or mixed with debris, it should be turned over to dry or replaced immediately. During routine maintenance, the sandbox should be kept sealed to prevent rainwater from entering, and accessories such as sand shovels should be ensured to be complete and available. If used to extinguish metal fires, specialized dry sand must be used, and it must not be mixed with ordinary river sand.
Can be reused, but the number of uses is limited and depends on the level of contamination and maintenance conditions. According to common industry standards, Class A heavy-duty chemical protective suits, provided they remain uncontaminated and pass airtightness testing, are recommended for a service life of 5–8 years or replacement after the number of uses specified by the manufacturer (typically 100–200 cycles). After each use, the suit must be thoroughly cleaned with a specialized cleaning agent to prevent residual chemicals from corroding the material. If the suit has been exposed to highly corrosive or highly toxic substances, it should be taken out of service immediately. For storage, keep the suit away from light in a cool, dry place, and periodically inspect seams and face shields for aging. If obvious wear, stickiness, or failure of the airtightness test is observed, the suit must be removed from service. Actual service life is also affected by ambient temperature and humidity, so always refer to the instruction manual of the specific model.
The pump-suction four-in-one gas detector typically detects four gases simultaneously, with common combinations including carbon monoxide (CO), hydrogen sulfide (H2S), oxygen (O2), and combustible gas (LEL). Some models allow sensor replacement to detect gases such as sulfur dioxide (SO2) and ammonia (NH3). Specific measurement ranges and resolutions vary by brand and model; for example, CO commonly has a range of 0-500 ppm, H2S 0-100 ppm, O2 0-30% VOL, and LEL 0-100% LEL. When selecting a detector, the sensor configuration should be chosen based on the potential gas types in the working environment, and it should be confirmed that the instrument features pump-suction capability (with a built-in pump for active gas sampling). Response time is generally less than 30 seconds. Regular calibration is recommended (every 3-6 months), and sensor lifespan should be checked to ensure measurement accuracy.
The dual-person electric long-duct blower is mainly used in forest firefighting for wind-driven fire suppression, clearing combustibles, and assisting in smoke exhaustion and cooling. It delivers high-speed airflow through a long duct to the base of the fire line, blowing away fine combustibles such as dead branches and fallen leaves, thereby cutting off the fire spread path. It can also be used for localized ventilation and cooling at the fire scene or for dispersing accumulated smoke. Air volume is usually measured by two indicators: outlet wind speed and air volume. Common models in the industry have an outlet wind speed of approximately 30–60 m/s, an air volume of approximately 2000–5000 m³/h, power mostly 1.5–3 kW, and a common long duct length of 10–30 m. When selecting a model, terrain, fuel load, and firefighting distance must be taken into account. A larger air volume is not always better; excessive air volume may raise dust and intensify combustion, so it must be used in conjunction with a water nozzle or firefighting hand tools. Dual-person operation is mainly intended to share the weight of the machine body and the long duct, ensuring stability during prolonged operation. For specific parameters, refer to the product test report and instruction manual.
Conclusion: No, it must be cleaned and dried before being stored; otherwise, it is prone to mold, aging, and even leakage. Forest fire hoses are mostly made of TPU or PVC-coated polyester fabric, with common specifications of 1–3-ton capacity, a diameter of 25–50 mm, and a working pressure generally of 0.2–0.6 MPa. After each use, drain the remaining water, rinse the inner and outer walls with clean water, focusing on removing mud, sand, and resin debris, and then dry it in a cool, ventilated place, avoiding direct sunlight and proximity to heat sources. After drying, a small amount of talcum powder can be sprinkled on to prevent sticking, and then it should be rolled and stored according to the original creases in a dry warehouse, with a recommended temperature of -10°C–40°C. When not in use for a long time, inspect it every 3 months for mildew spots, coating cracks, and seam debonding; minor damage can be treated with special repair adhesive, while large-area damage is recommended for scrapping. Under normal maintenance, the service life is about 3–5 years, subject to the manufacturer's instructions.
It cannot be worn directly as a firefighting suit for entering a fire scene to extinguish fires; it is mainly used for short-duration operations and escape protection in high-temperature radiant environments. Heat-insulating suits are generally divided into two categories by performance: ordinary heat-insulating suits can withstand radiant heat of approximately 200°C to 500°C for a short time, while aluminum foil composite types can withstand radiant heat of approximately 800°C to 1000°C, but neither has unlimited temperature resistance, and both will still be damaged by contact with open flames or high-temperature smoke. The industry consensus is: heat-insulating suits mainly protect against radiant heat and convective heat, cannot replace fire entry suits or firefighting suits, and cannot be used to remain in flames for extended periods. During use, attention should be paid to the integrity of seams, windows, and gloves; if the surface is damaged or the aluminum foil peels off, the suit should be scrapped. It is generally recommended to conduct a visual and performance inspection every 12 months, and the specific temperature resistance shall be based on the specifications stated in the product test report.
Pulse air spray water guns are mainly suitable for incipient fires and surface fires, and are especially suited for scenarios such as forests, grasslands, garbage dumps, oil, and electrical equipment. They eject water at high speed through compressed air to form fine water mist, extinguishing fires by impact force and vaporization heat absorption. The water volume per pulse is usually 0.5-2 L, with a range of 8-15 m, and they can be used continuously or in bursts. They are effective against Class A (solid) and Class B (liquid) surface fires, but must be used with caution on Class C gas fires and cannot replace dry powder or foam. They save water and offer strong mobility, but their fire extinguishing area is limited, making them suitable as auxiliary equipment and not recommended for large-area, intense fires. When using them, maintain a safe distance to avoid electric shock and reignition.
The main positioning of padded reflective raincoats is for duty, traffic direction, and emergency rescue in low-temperature rain and snow environments. They provide adequate warmth but are not equivalent to professional cold-weather clothing. They are generally made by laminating a layer of hollow fiber or sprayed-bonded cotton inside a PVC or polyester waterproof fabric, with common weights of 150-250g/㎡, capable of handling static or light-labor scenarios from about 0°C to -10°C; the reflective strips are mostly 5cm-wide high-brightness reflective tape, with a nighttime visible distance of about 150-300 meters. It should be noted that once the padded layer becomes damp or compressed, its warmth retention will drop significantly, so it is recommended to wear fleece or wool thermal underwear as the inner layer, and the outer layer's waterproof rating generally requires a hydrostatic pressure of no less than 3000mm. If working for extended periods below -15°C or in strong wind environments, professional cold-weather rescue suits should be used instead, and padded raincoats should only be used as auxiliary warmth and rain protection.
Common diameters are 25 mm, 40 mm, 50 mm, and 65 mm. For forest firefighting, 25 mm and 40 mm are the primary choices. A 25 mm hose holds about 0.5 L per meter, 40 mm about 1.25 L, 50 mm about 2 L, and 65 mm about 3.3 L. In practice, it can be estimated using the circle area formula. Selection depends on two factors: first, compatibility with the pump outlet and water divider connections; second, the weight carried by an individual firefighter. A 25 mm hose filled with water weighs about 0.5 kg per meter, or about 10 kg for 20 meters, making it suitable for carrying on foot. Hoses of 40 mm and above are mostly used for vehicle-mounted or fixed pump systems. The industry-standard diameters are: 40–65 mm for water supply trunk lines, and 25–40 mm for mobile firefighting and uphill operations. Note that water bags are typically designed for a working pressure of 0.3–0.6 MPa. Do not flush them directly with the high pressure of a fire truck, or the bags may easily burst. When purchasing, ask clearly about diameter, wall thickness, working pressure, and burst pressure. This is more practical than only asking "how much water can it hold."