Engineered thin film evaporators and short-path distillation units for heat-sensitive, high-viscosity and high-boiling-point separation. ASME U Stamp certified, 25+ years of expertise, trusted by Fortune 500 and global leaders worldwide.
YITENG designs and manufactures two complementary thermal separation product lines — thin film evaporation for high-viscosity and high-throughput duty, and short-path distillation for the most heat-sensitive, high-purity applications.

High heat transfer, short residence time, for heat-sensitive materials. Handles viscosity up to 100,000 cP and evaporating area 0.1–100 m².

Molecular-grade precision separation at 0.001 mbar. Internal condenser, 20–60 mm path, protecting the most temperature-sensitive, high-value products.
Our systems deliver measurable performance advantages in heat transfer, residence time, vacuum and viscosity.
W/(m²·K), 3–5× higher than conventional evaporators.
Seconds-scale residence protects heat-sensitive materials.
mbar — 100–200°C below atmospheric boiling point.
cP — fixed wipers handle extreme high-viscosity melts.

A high-speed rotating wiper assembly forces feed liquid into a uniform 0.5–2 mm thin film on the heated wall. Driven by gravity and wiper thrust in a spiral path, solvent flashes off rapidly — delivering exceptional heat transfer and seconds-level residence time that protects heat-sensitive materials.
From biopharmaceuticals to fine chemicals, YITENG systems solve separation challenges across every major processing sector.
Antibiotic fermentation concentration, herbal solvent recovery, active protein concentration at 40–80°C.
Explore →Lube base oil devolatilization, monomer removal, heavy oil separation up to tens of thousands mPa·s.
Explore →Resin solvent removal, dye intermediate purification, closed-loop organic solvent recovery ≥95%.
Explore →Lithium electrolyte solvent purification below 10 ppm moisture, additive synthesis and recovery.
Explore →High-salt wastewater with MVR for zero discharge, spent solvent regeneration, plating metal recovery.
Explore →Plant extract concentration, nutraceutical Omega-3 EPA/DHA concentration from 30% to 90%+.
Explore →25+ years of engineering and manufacturing excellence, with a full-chain team delivering complete turnkey process solutions.
Serving Fortune 500 companies and global industry leaders across 20+ countries.
PAM flocculant thin-film evaporator, 40–60 kg/(m²·h), 20+ yr design life.
Food engineering systems.
A multi-country certification portfolio so your equipment satisfies regional entry codes worldwide.
Answers to the most common questions about thin film and short-path separation technology.
Tell us your feed composition, viscosity, boiling point and thermal sensitivity — our engineers will design the optimal system for your process.