Seeking an ultrasonic cleaning device specifically designed for deep water well maintenance. The device must:
1. Operate at 20-40 kHz frequency range
2. Withstand depths up to 200 meters (20 bar pressure)
3. Feature a compact design with maximum 160mm diameter head
4. Utilize ultrasound technology to remove suspended solids in water filtration zones
5. Be compatible with electric cable deployment

Require shipment to Poland for operational testing. Please confirm technical specifications and compliance with EU standards.

Seek to develop premium air-cooled jackets combining Japanese BURTLE - level technology with European fashion aesthetics in lightweight materials. Technical specifications: 1. Cooling Technology Integration: Built - in rechargeable fan system (min 2 fans), 4 - speed adjustable wind levels, lithium - ion battery pack (min 6 - 12 hour operation), optional neck cooling system integration, 5 - 15°C temperature reduction. 2. European Compliance Standards: CE marking, EN ISO 13688:2013, LVD 2014/35/EU for electrical components, EN 60335 series for battery - powered devices, anti - static per EN 1149, electrical safety for battery systems. 3. Material Specifications: Outer shell of high - performance polyester/nylon blend, UPF 40 UV protection, water - resistant (min 5,000mm), breathable and durable, aluminum coating for heat insulation, anti - microbial treatment. 4. Design Standards: Modern European cut, premium YKK zippers, multiple pockets, adjustable hood, ergonomic fit, professional logo embroidery, reinforced seams. Business requirements: Initial production: 5 - 10 samples, 100 - 500 pilot pieces, scalable to 10,000 annually. Low MOQ: 5 - 10 samples, 50 - 100 initial pieces. Dropshipping needed. Need detailed pricing for sample development, small, medium and large volumes, technology components, and European compliance testing and certification. Respond within 7 days with capabilities and quotation.

ALUMINIUM DOSING PUMP. Motor driven with the following specifications. Key Specifications: 1. Nominal Flow Rate: 4000l/h per head; 2. Number of Dosing Heads: 2; 3. Approvals: CE, EAC, CNROHSEX; 4. Non - Return Valves: Standard type for both inlet and outlet. Materials and Installation: 1. Materials: Suitable for handling aluminium sulphate solution; 2. Max Operating Pressure: 10 bar (at 50 Hz); 3. Max Permissible Inlet Pressure: 0.8 bar. Liquid and Electrical Details: 1. Pumped Liquid: Aluminium sulphate solution; 2. Temperature: 20?°C; 3. Density: 998.2 kg/m?3; 4. Mains Frequency: 50 Hz; 5. Rated Voltage: 3x230/400V; 6. Enclosure Class: IP55; 7. Viscosity: 50mPas. Controls: 1. Control Panel